Water Quality Data – General Parameters

Base flow in black, Storm flow in red
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Main Branch

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)
11/02 8 13.9 12 435.1 6.75
10/19 6 13.4 30 372.2 8.92
10/05 3 20.0 0 628 6.32
09/14 5 18.2 5 283.3 8.02
08/31 4 23.1 5 506 5.61
08/17 3 18.8 8 336.5 7.08
08/03 4 22.2 7 488.1 6.19
07/13 25 22.3 24 269.9 7.96 0.68
06/22 7 20.2 3 320.8 7.66 0.90
06/08 35 19.7 22 243.3 8.42 0.68
05/18 4 18.4 3 7.54 0.90
05/04 6 13.4 1 708 9.14 0.90
04/20 36 14.5 28 304.2 9.50 0.68
04/06 7 7.9 8 751 9.25 0.68
03/23 7 3.9 5 703 12.36 0.68
03/09 7 4.5 6 1052 12.80 2.03
02/23 5 3.1 7 688 12.96 2.03
02/09 8 2.0 11 1728 13.70
01/26 7 0.1 8 2363 15.70 0.68
01/12 6 6.5 10 399.1 12.15 0.68
12/29 8 4.3 11 668 13.60 0.68
12/15 5 4.4 4 640 11.96 0.68
12/01 6 4.1 5 186.4 12.24 0.68
11/17 8 5.5 8 304.7 12.84 0.68
11/03 7 8.9 17 445.4 11.88 0.68
10/20 22 15.1 23 176.2 9.43 0.68
09/29 5 18.1 11 265.8 7.33
9/08 3 24.4 3 541 5.61
08/25 3 22.9 4 527 6.41 0.68
08/11 12 23.7 15 269.7 7.41 0.68
07/21 60 22.5 5 205.1 7.52 0.68
07/07 3 26.6 3 631 5.39 0.68
06/23 18 23.0 21 274.8 7.37 0.68
06/09 5 19.1 1 578 8.38 0.68
05/26 5 21.3 4 517 6.67 0.68
05/12 6 14.0 2 561 8.90 0.68
04/28 8 10.8 2 622 10.24 0.68
04/14 7 10.3 2 704 10.55 0.68
03/24 7 17.0 3 385.4 8.23 0.68
03/17 7 11.9 4 713 10.15 0.68
03/03 80 9.0 170 177.6 11.83 0.68
02/18 6 4.6 6 1107 13.26 0.68
02/04 8 4.9 3 840 13.32 0.68
01/21 15 2.1 9 2368 14.28 0.68
01/07/12 8 3.9 1 648 13.09 0.68

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)
pH		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2011
12/24 18 8.2 18 304.9 11.26 0.68
12/10 14 6.6 12 530 12.00 0.68
11/26 9 7.1 4 585 12.09 0.68
11/12 7 5.9 8 586 12.08 0.68
10/29 60 10.1 24 265.2 0.68
10/15 12 15.9 24 263.8 0.68
10/01 8 16.3 4 459.1 0.68
09/10 20 21.5 7 372.5 0.68
09/03 7 21.0 9 283.1 0.68
08/20 5 21.8 3 308.6 0.68
07/30 1.5 26.4 4 636 0.68
07/16 4 20.7 11 531 0.68
07/02 3 21.0 2 558 0.68
06/18 25 21.1 71 480.8 0.68
06/04 5 18.0 3 726 0.68
05/21 7 16.4 6 209.3 0.68
05/07 8 13.8 6 709 0.68
04/23 19 10.8 17 403.7 0.68
04/09 15 9.5 19 418.3 8.26 0.68
03/26 8 5.9 4 766 7.78 0.68
03/12 14 6.9 25 538 8.62 0.68
02/26 10 4.9 23 4485 1.81
02/12 6 0.1 12 1255 9.98
01/29 9 0.9 19 9302 9.15
01/15 7 0.1 4 3951 9.74 0.90
01/01 6 1.9 4 932 1.58
2010
12/04 5 2.8 6 489.5 0.68
11/20 6 6.5 4 519 6.15 0.68
11/06 8 8.6 13 384.4 6.76 0.68
10/23 6 9.4 1 661 7.44 0.68
10/09 5 14.0 1 598 6.37 0.90
09/25 4 22.1 1 474.4 0.68
09/11 3 17.3 3 752 5.08 0.68
08/28 4 21.0 1 694 5.20 0.68
08/14 9 22.0 7 261.1 6.10 0.68
07/31 4 22.0 7 405.8 5.76 0.68
07/10 7 25.3 7 667 4.72 0.68
06/26 3 23.3 1 650 5.51 0.68
06/12 4 21.2 1 683 5.86 0.68
05/29 8 19.4 2 541 6.94 1.13
05/15 8 18.3 5 502 6.43 0.68
05/01 7 14.7 1 747 7.74 1.36
04/17 9 15.1 3 750 7.38
04/03 10 12.8 1 766 8.22 1.36
03/20 12 9.5 3 822 9.23 0.90
03/13 95 9.5 52 411 9.55 0.68
02/27 15 3.3 5 1057 11.52 1.36
02/13 16 1.4 21 7289 11.46 0.68
01/30 8 0.1 2 773 13.16 2.26
01/16 8 2.2 4 1088 12.22 2.26
01/01 20 3.8 36 2702 10.85 0.68
2009
12/23 12 2.1 11 7510 11.77 1.13
12/05 10 8.4 7 460 10.04 0.90
11/21 10 9.8 15 362 9.48 0.68
11/07 5 6.0 4 574 10.84 0.90
10/24 3 15.3 4 563 7.41 0.90
10/11 2 17.5 7 590 9.8 0.68
09/27 20 20.4 13 196 8.30 0.68
09/13 4 22.8 6 382 8.62 0.68
08/29 11 23.0 8 238.8 6.17 0.68
08/15 3 22.6 5 527 0.68
08/01 12 22.5 16 272
07/18 4 21.2 2 310 6.01
07/04 4 19.3 7 634 6.79 0.90
06/20 19 20.1 7 456 6.83 1.13
06/06 40 17.3 7.33 17 358 7.94 0.68
05/23 9 18.0 8.07 2 671 6.93 1.13
05/09 19 17.3 7.85 10 475 7.28 1.13
04/25 11 13.6 7.81 3 625 8.49 0.68
03/28 70 10.5 7.94 151 294 9.56 0.68
03/14 5 5.5 7.94 3 1539 9.98 0.68
02/28 6 6.2 7.85 0 968 10.25 0.90
02/14 5 3.6 7.82 1 2399 11.38 1.13
01/31 6 0.1 7.70 3 5753 13.48 0.90
01/17 0.0
01/03 4 0.3 7.87 0 581 13.47 1.81
2008
12/20 17 6.4 7.84 12 260 10.81 0.90
12/06 5 1.1 7.88 3 463.7 12.52 1.13
11/22 4 1.2 7.78 1 443.1 12.55 0.90
11/08 5 13.9 7.91 7 538 7.04 0.68
10/25 2.75 12.1 7.94 6 598 7.06 0.68
10/11 2.75 14.3 7.91 570 7.91 1.13
09/27 42 19.4 7.92 48 145 8.14 .90
09/13 5 21.5 7.93 2 510 6.91 0.90
08/30 11 21.2 7.86 12 263 6.89 0.68
08/15 2.5 20.2 7.90 3 571 6.44 1.13
08/02 36 23.4 7.87 28 583 6.82 1.58
07/19 3 23.6 7.81 4 564 6.10 1.13
07/05 6 22.3 7.82 2 450 6.40 0.93 0.03
06/21 7.5 20.0 7.90 9 529 7.34 0.72 0.03
06/07 12 21.0 7.79 3 452 8.73 0.83 0.04
05/24 16 14.1 7.75 5 569 9.26 1.23 0.03
05/10 51 14.7 7.77 19 312 9.24 0.79 0.01
04/26 11 16.9 7.74 7 448 7.84 0.72 0.03
04/12 14 16.6 7.77 11 435 6.76 0.97 0.02
03/29 8 7.6 7.94 5 521 9.89 0.74 0.03
03/15 10.6 7.87 1 658 8.58 0.93 0.01
03/01 4.2 7.92 2 1201 11.52 1.05 0.03
02/16 3.3 7.86 6 1003 12.49 1.03 0.02
02/02   3.8 7.84 32 353 12.9 0.97 0.02
01/19   4.3 7.89 11 3391 0.88 0.02
01/05 0.8 7.87 5 487 1.37 0.02

Date BiWeekly Rainfall (inches) Water
Temperature
(degree C)		 pH Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2007
12/22 1.11 5.7 7.97 6 642 1.01 0.02
12/08 3.45 6.7 7.78 45 11162 0.81 0.03
11/24 1.16 5.8 7.97 5 423 0.39 0.02
11/10 0.19 8.3 7.94 4 438 0.90 0.04
10/27 6.55 17.9 7.79 55 81 0.30 0.05
10/13 0.00 14.4 7.74 5 504 0.20 0.01
09/29 0.00 18.1 7.83 8 522 9.1 0.75 0.02
09/15 0.60 21.0 7.83 0 466 9.7 0.38 0.03
09/01 2.91 20.7 7.82 2 529 8.1 0.23 0.00
08/18 0.56 23.3 7.90 8 615 7.1 0.25 0.01
08/04 1.07 24.8 7.85 5 575 6.5 0.16 0.04
07/21 1.19 21.6 7.80 0 502 7.8 0.41 0.03
07/07 0.18 22.6 7.83 1 572 8.4 0.45 0.02
06/23 0.28 19.1 7.78 1 512 8.4 0.66 0.02
06/09 1.36 23.5 7.80 23 210 0.40 0.04
05/26 0.48 19.9 7.66 4 622 8.9 1.16 0.04
05/12 0.97 18.4 7.61 8 615 10.2 1.23 0.02
04/28 2.62 15.8 7.75 17 225 9.3 0.68 0.00
04/14 1.94 8.8 7.81 6 467 9.8 1.02 0.01
03/31 0.04 10.6 7.73 5 606 7.8 1.37 0.00
03/17 4.20 4.6 7.86 27 653 1.06 0.02
03/03 4.67 6.6 7.77 23 635 1.03 0.02
02/17 4.02 0.2 7.72 49 3985 2.02 0.05
02/03 1.69 2.0 7.84 11 1284 1.81 0.03
01/20 0.59 2.9 7.73 3 409 1.72 0.02
01/06 1.89 13.0 7.77 7 273 10.8 0.82 0.03
2006
12/23 0.85 11.1 7.76 21 148 8.4 0.45 0.03
12/09 0.06 0.6 7.84 6 429 1.51 0.03
11/25 3.03 7.1 7.73 7 333 11.9 0.87 0.03
11/11 2.13 13.0 7.71 7 357 11.2 0.83 0.01
10/28 2.88 14.2 7.85 46 80 8.8 0.17 0.03
10/14 2.48 10.3 7.86 3 464 7.4 0.64 0.02
09/30 1.05 14.2 7.73 7 224 8.7 0.47 0.02
09/16 2.55 19.9 7.78 3 336 6.4 0.35 0.02
09/02 3.05 19.3 7.75 17 129 10.3 0.34 0.03
08/19 0.96 24.2 7.72 2 686 7.0 0.63 0.00
08/05 0.00 24.5 7.66 3 491 6.4 0.39 0.02
07/22 1.03 25.9 7.75 1 585 8.7 0.81 0.02
07/08 13.04 20.6 7.75 0 385 12.4 0.98 0.02
06/24 3.27 24.0 7.38 9 468 7.1 0.14 0.04
06/10 0.24 19.1 7.41 10 446 6.9 0.74 0.02
05/27 0.94 19.3 7.47 8 415 8.7 0.59 0.01
05/13 1.27 16.2 7.59 14 223 8.7 0.50 0.03
04/29 1.24 12.8 7.64 6 527 9.3 1.00 0.02
04/15 1.25 17.5 7.51 6 567 7.2 0.55 0.00
04/01 0.03 16.2 7.58 6 610 8.1 1.07 0.03
03/18 0.00 6.2 7.65 3 502 1.08 0.00
03/04 0.28 2.9 7.55 3 544 1.53 0.01
02/18 9.91 5.5 7.37 2 995 1.42 0.01
02/04 2.54 7.9 7.32 8 303 0.84 0.02
01/21 1.36 6.0 7.65 3 411 1.38 0.01
01/07 1.61 2.8 7.79 2 268 1.65 0.01
2005
12/24 1.23 2.5 7.81 1 374 1.64 0.02
12/10 6.08 1.7 7.87 32 4084 0.79 0.03
11/26 1.35 1.6 7.91 5 250 11.6 0.62 0.02
11/12 0.05 8.5 7.88 1 361 6.8 0.39 0.04
10/29 1.81 9.0 8.02 1 261 7.9 0.64 0.02
10/15 7.61 17.9 8.06 2 305 0.62 0.03
09/24 0.01 21.8 7.73 3 628 6.5 0.51 0.03
09/10 0.27 21.4 7.76 0 618 0.85 0.03
08/27 0.22 21.9 7.84 3 617 0.95 0.02
08/20 0.50 23.2 7.74 6 308 0.74 0.03
08/13 1.33 26.5 7.65 0 558 0.77
08/06 0.01 25.6 7.73 7 540 0.93
07/30 0.20 23.2 7.72 10 302 0.75
07/23 0.87 23.2 7.58 93 156 0.52
07/16 1.66 24.3 7.67 19 295 0.59 0.12
07/09 3.15 21.0 7.72 15 228 9.3 0.67 0.09
07/02 1.28 23.9 7.47 43 186 8.2 0.56 0.02
06/25 0.03 21.8 7.77 0 617 0.90 0.00
06/18 0.05 19.2 7.72 2 582 5.8 0.80 0.03
06/11 1.01 22.6 7.66 7 455 8.4 1.08 0.02
06/04 0.70 17.7 7.72 12 328 8.9 0.48 0.02
05/28 0.47 16.5 7.63 5 541 8.8 0.98 0.02
05/21 2.87 12.7 7.57 18 237 9.0 0.58 0.01
05/14 1.13 14.6 7.67 6 575 8.8 0.86 0.00
05/07 0.12 10.4 7.71 4 521 8.7 0.92 0.01
04/30 1.17 14.3 7.57 54 243 9.0 1.47 0.02
04/23 0.60 13.3 7.64 11 471 7.9 1.88 0.00
04/16 0.01 9.1 7.81 1 535 9.2 1.68 0.01
04/09 0.46 11.9 7.56 1 493 8.1 1.63 0.00
04/02 3.70 11.1 7.81 103 181 9.5 0.55 0.00
03/26 2.17 8.2 7.87 2 575 7.6 0.93 0.02
03/19 0.00 6.1 7.74 1 698 7.6 1.00 0.00
03/12 1.48 3.7 7.41 2 965 6.0 1.23 0.02
03/05 2.57 4.2 7.72 6 1978 6.2 1.55 0.02
02/26 3.51 2.2 7.58 2 6510 2.09 0.01
02/19 0.5 1.4 7.85 1 586 2.18 0.01
02/12 0.11 2.4 7.68 1 818 2.36 0.02
02/05 2.35 2.5 7.68 9 1770 1.84 0.0
01/29 .68 0.0
01/22 4.19 0.4 7.59 6 550 2.24 0.02
01/15 2.20 6.6 7.56 29 215 1.32 0.03
01/08 0.33 7.4 7.45 11 296   1.79 .01
01/01 0.00 7.8 7.49 3 396 1.68 .03
2004
12/25 0.97 1.8 7.57 17 248 0.83 0.01
12/18 0.00 2.2 7.49 4 341 2.11 0.01
12/11 1.71 11.1 7.22 18 235   0.59 0.02
12/04 0.59 4.1 7.54 5 337 1.49 0.01
11/27 0.29 6.7 7.62 10 337 1.05 0.02
11/20 0.25 12.4 7.47 8 419 1.08 0.02
11/13 2.06 9.4 7.39 45 148   0.35 0.02
11/06 1.71 9.61 7.32 4 1.82 0.01
10/30 0.16 14.5 7.60 15 0.14 0.00
10/23 0.63 13.2 7.69 5 310 1.58 0.02
10/16 0.11 14.4 7.69 4 530 1.77 0.03
10/09 0 14.7 7.73 1 534 1.84 0.01
10/02 2.46 19.6 138 165 0.76 0.02
09/25 0.00 18.9 6 449 1.57 0.03
09/18 1.07 22.7 26 156.8 0.63 0.06
09/11 0.46 21.1 5 503
09/04 0.08 24.7 8.45 5 579 2.02 0.08

Wheaton Branch

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)
11/02 0.3 13.8 5 423.9 5.90
10/19 0.2 13.9 4 211.5 7.68
10/05 0.2 18.7 1 271.6 5.72
09/14 1 20.2 12 176.0 6.30
08/31 0.3 23.0 7 387.4 5.28
08/17 0.2 18.8 6 285.4 6.15
08/03 0.3 22.7 11 384.8 5.95
07/13 4 23.9 24 217.3 6.83 0.68
06/22 1 21.3 41 364.2 6.44 0.68
06/08 4 20.6 39 110.1 7.32 0.68
05/18 0.5 18.3 12 267.1 5.29 0.68
05/04 0.5 13.2 7 428.5 7.18 0.68
04/20 3 16.5 47 268.1 7.91 0.68
04/06 0.4 8.1 10 1394 8.10 0.68
03/23 0.5 3.9 7 504 10.75 1.13
03/09 0.5 4.1 17 1680 11.45 0.68
02/23 0.3 2.8 9 858 11.85 1.36
02/09 0.7 2.1 13 2313 12.93
01/26 0.2 0.3 14 1083 14.06 0.68
01/12 0.3 6.2 10 848 11.15 0.68
12/29 0.5 3.6 21 849 13.08 0.68
12/15 0.3 4.2 7 406.7 11.12 0.68
12/01 0.3 3.9 7 342.1 11.42 0.68
11/17 0.5 6.2 18 230.4 9.52 0.68
11/03 0.5 8.5 20 156.4 10.71 0.68
10/20 2 15.8 19 117.1 7.97 0.68
09/29 1 19.2 14 165.7 6.80
9/08 0.2 23.7 4 300.6 4.79
08/25 0.2 22.1 8 219.9 5.34 0.68
08/11 2 24.3 17 135.1 5.66 0.68
07/21 3 22.4 20 79.6 7.53 0.68
07/07 0.2 25.5 11 284.7 4.30 0.68
06/23 2 25.7 37 207.3 5.90 0.68
06/09 0.3 19.3 3 250.1 6.43 0.68
05/26 0.3 21.9 7 236.1 4.64 0.68
05/12 0.3 14.7 5 338.3 6.79 0.68
04/28 0.3 11.2 7 247.6 8.66 0.68
04/14 0.2 10.4 5 479.2 8.58 0.68
03/24 0.5 16.8 9 327.7 6.65 0.68
03/17 0.2 12.2 10 502 8.45 0.68
03/03 4 8.8 137 140.3 11.44 0.68
02/18 0.3 4.9 6 1291 12.07 0.68
02/04 0.5 5.3 4 987 10.83 0.68
01/21 0.2 2.1 2 882 12.96 0.68
01/07/12 0.3 3.9 6 362.7 11.66 0.68

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)
pH		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2011
12/24 0.5 8.1 20 150.9 9.73 0.68
12/10 1 6.4 23 195.3 10.25 0.68
11/26 0.5 7.8 12 232.6 7.92 0.68
11/12 0.2 6.5 6 393.8 8.91 0.68
10/29 2 10.3 28 308.3 0.68
10/15 0.5 16.7 25 134.9 0.68
10/01 0.2 16.9 7 186.3 0.68
09/10 2 21.9 9 152.9 0.68
09/03 0.2 21.4 7 148.7 0.68
08/20 0.3 21.9 7 164.6 0.68
07/30 0.1 25.5 9 374.9 0.68
07/16 0.3 17 0.68
07/02 0.2 20.6 7 260.1 0.68
06/18 3 22.2 30 304.8 0.68
06/04 0.5 17.9 8 477.8 0.68
05/21 0.4 17.1 13 301.8 0.68
05/07 1.5 15.3 17 340.2 0.68
04/23 2 12.0 21 478.4 0.68
04/09 2 10.4 22 382.7 7.35 0.68
03/26 1 6.2 15 491.4 7.21 0.68
03/12 0.4 7.2 32 395.2 8.15 0.68
02/26 1 5.4 45 4514 0.68
02/12 0.3 0.9 16 1322 9.06
01/29 1 1.34 23 14911 8.33
01/15 0.2 0.3 3 2095 9.13
01/01 0.2 2.8 1 1621 1.13
2010
12/04 0.1 4.0 15 180.2 0.68
11/20 0.3 7.1 26 235.5 5.04 0.68
11/06 0.5 8.8 23 155.9 6.75 0.68
10/23 0.2 9.9 4 256.4 6.19 0.68
10/09 0.2 14.4 3 180.4 5.31 0.68
09/25 0.3 22.4 6 257.7 0.68
09/11 0.2 17.4 3 479.6 4.76 0.68
08/28 0.3 20.8 1 320.2 4.37 0.68
08/14 0.5 22.2 11 149.7 4.22 0.68
07/31 1.5 24.0 19 216.4 4.08 0.68
07/10 1 24.4 15 331.1 4.38 0.68
06/26 0.2 23.1 10 333.2 4.21 0.68
06/12 0.2 21.3 7 351.5 4.32 0.68
05/29 0.5 20.7 6 291.8 4.54 0.68
05/15 0.5 18.5 5 369.4 4.65 0.68
05/01 0.3 15.5 10 444 5.88 0.68
04/17 0.5 15.8 7 470 6.61
04/03 2 13.2 4 596 7.67 0.68
03/20 1 10.2 11 684 8.49 0.90
03/13 5 9.9 63 487 8.75 0.68
02/27 1 2.9 11 1053 11.50 0.68
02/13 1.5 2.1 22 15410 10.55 0.68
01/30 0.5 0.5 7 690 11.75 0.68
01/16 1 2.8 3 2584 11.15 1.58
01/01 1 3.8 36 7160 10.02 0.68
2009
12/23 1 3.2 17 11690 10.31 0.68
12/05 1 8.6 19 159 8.52 0.68
11/21 1 11.3 39 161 7.67 0.68
11/07 0.3 6.6 14 221 8.24 0.68
10/24 0.3 14.7 7 179 6.78 0.68
10/11 0.4 15.3 8 225 6.2 0.68
09/27 8 19.0 20 126 7.10 0.68
09/13 0.5 20.4 8 177 6.26 0.68
08/29 2 24.5 9 181 4.89 0.68
08/15 0.2 22.5 8 311 0.68
08/01 3 24.9 32 187
07/18 0.3 21.2 9 447 5.23
07/04 0.3 20.2 15 377 5.01 0.68
06/20 1.5 21.4 12 209 5.14 0.68
06/06 3 18.4 7.21 21 152 6.22 0.68
05/23 1 18.6 7.54 7 367 4.69 0.68
05/09 2 18.4 7.44 23 211 6.02 0.68
04/25 1 14.1 7.48 10 358 7.21 0.90
03/28 6 10.7 7.67 88 763 9.17 0.68
03/14 0.2 5.7 7.51 5 3847 9.61 0.68
02/28 0.3 5.9 7.53 2 2467 9.64 1.13
02/14 0.4 4.6 7.41 2 3983 10.87 0.90
01/31 0.7 0.9 7.16 19 7588 12.52 0.68
01/17 0.0
01/03 0.2 0.9 7.45 2 554 12.29 1.36
2008
12/20 3 5.8 7.47 18 146 10.84 0.68
12/06 0.4 1.9 7.32 13 234.4 11.07 0.68
11/22 0.4 2.4 7.25 38 220.6 9.74 0.68
11/08 0.6 13.7 7.54 8 291 4.87 0.68
10/25 0.5 11.6 7.76 8 396 6.83 0.68
10/11 0.40 14.7 7.70 244 7.06 0.68
09/27 3 19.0 7.52 35 202 7.57 .68
09/13 0.40 21.4 7.63 3 200 5.99 0.68
08/30 2.8 21.6 7.42 13 201 6.09 0.68
08/15 .25 20.1 7.67 9 329 5.64 0.68
08/02 1.5 23.2 7.52 14 188 4.32 1.13
07/19 0.3 22.8 7.48 12 213 4.05 0.91
07/05 1 22.9 7.48 6 249 4.57 0.57 0.08
06/21 1 20.8 7.47 7 265 4.85 0.52 0.08
06/07 3.5 23.4 7.33 12 166 5.58 0.28 0.08
05/24 4 15.8 7.61 3 268 7.45 0.93 0.06
05/10 5.5 16.1 7.41 21 141 7.78 0.51 0.07
04/26 4 17.8 7.64 8 342 7.53 0.92 0.05
04/12 4 17.0 7.63 9 408 7.61 0.48 0.05
03/29 1 8.3 7.75 9 428 10.23 0.64 0.02
03/15 10.2 7.63 4 550 8.19 0.52 0.03
03/01 3.9 7.65 3 3651 11.59 0.76 0.04
02/16 2.7 7.52 13 3639 11.74 0.65 0.03
02/02   3.8 7.56 48 242 12.38 2.09 0.02
01/19   3.9 7.52 17 3123 0.61 0.03
01/05 0.9 7.61 12 228 0.69 0.03

Date BiWeekly Rainfall (inches) Water
Temperature
(degree C)		 pH Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2007
12/22 1.11 5.0 7.52 14 491 0.37 0.02
12/08 3.45 5.0 7.42 57 11021 0.11 0.04
11/24 1.16 5.9 7.44 16 177 0.25 0.01
11/10 0.19 7.9 7.67 4 171 0.39 0.03
10/27 6.55 17.6 7.37 51 73 0.15 0.05
10/13 0.00 13.3 7.59 4 282 0.15 0.02
09/29 0.00 18.4 7.61 7 312 6.0 0.19 0.04
09/15 0.60 19.9 7.63 0 318 7.3 0.24 0.03
09/01 2.91 20.2 7.64 1 239 7.5 0.19 0.02
08/18 0.56 22.5 7.62 4 367 7.9 0.11 0.02
08/04 1.07 24.0 7.63 7 400 8.4 0.15 0.05
07/21 1.19 20.2 7.75 3 375 8.1 0.23 0.03
07/07 0.18 22.4 7.60 3 329 8.1 0.37 0.03
06/23 0.28 19.0 7.55 6 246 6.4 0.34 0.04
06/09 1.36 25.4 7.29 28 155 0.40 0.02
05/26 0.48 19.7 7.43 6 426 5.1 0.64 0.04
05/12 0.97 19.0 7.57 6 483 7.3 0.57 0.03
04/28 2.62 15.7 7.41 17 401 6.6 0.59 0.01
04/14 1.94 8.7 7.53 14 358 4.8 0.77 0.03
03/31 0.04 10.5 7.65 8 763 5.6 0.78 0.00
03/17 4.20 4.7 7.67 44 243 0.41 0.00
03/03 4.67 8.3 7.45 53 660 0.71 0.05
02/17 4.02 0.2 7.44 5 8464 1.23 0.01
02/03 1.69 2.9 7.53 13 1905 1.26 0.01
01/20 0.59 2.8 7.68 5 230 0.93 0.02
01/06 1.89 11.8 7.54 10 188 8.3 0.64 0.04
2006
12/23 0.85 10.4 7.51 22 149 7.2 0.31 0.02
12/09 0.06 0.5 7.60 5 264 0.65 0.03
11/25 3.03 6.6 7.30 29 141 4.8 0.30 0.03
11/11 2.13 13.2 7.55 20 158 6.5 0.33 0.03
10/28 2.88 12.8 7.65 49 96 7.5 0.15 0.02
10/14 2.48 9.6 7.44 3 173 5.2 0.23 0.03
09/30 1.05 14.5 7.32 15 140 6.2 0.39 0.01
09/16 2.55 19.7 7.38 7 168 5.6 0.27 0.03
09/02 3.05 19.0 7.35 43 97 8.7 0.21 0.02
08/19 0.96 22.9 7.55 3 312 7.7 0.31 0.01
08/05 0.00 24.0 7.61 2 411 7.5 0.23 0.03
07/22 1.03 7.60 1 8.6 0.42 0.04
07/08 13.04 21.7 7.53 0 163 8.3 0.58 0.04
06/24 3.27 24.2 7.34 21 345 6.1 0.24 0.03
06/10 0.24 20.2 7.27 12 370 4.9 0.57 0.04
05/27 0.94 19.1 7.35 11 313 6.5 0.26 0.04
05/13 1.27 17.5 7.37 21 205 7.6 0.33 0.02
04/29 1.24 12.1 7.43 10 251 3.8 0.50 0.03
04/15 1.25 17.1 7.23 13 342 6.5 0.55 0.01
04/01 0.03 15.3 7.53 9 576 7.7 0.26 0.01
03/18 0.00 6.0 7.46 8 571 0.57 0.01
03/04 0.28 2.3 7.32 5 858 1.54 0.01
02/18 9.91 5.4 7.19 11 1727 0.93 0.02
02/04 2.54 8.0 7.32 8 165 0.62 0.01
01/21 1.36 6.5 7.23 15 202 0.49 0.01
01/07 1.61 1.8 7.43 10 238 0.78 0.02
2005
12/24 1.23 3.0 7.45 9 338 1.08 0.03
12/10 6.08 2.5 7.17 36 4211 0.52 0.01
11/26 1.35 2.3 7.51 18 94 6.0 0.24 0.00
11/12 0.05 8.1 7.37 3 175 4.8 0.32 0.00
10/29 1.81 9.1 7.56 3 107 4.3 0.44 0.03
10/15 7.61 18.2 7.57 4 190 0.58 0.04
09/24 0.01 20.8 7.60 3 394 7.2 0.21 0.04
09/10 0.27 19.8 7.57 2 333 0.50 0.01
08/27 0.22 20.9 7.62 3 284 0.45 0.03
08/20 0.50 25.9 7.38 13 248 0.70 0.04
08/13 1.33 25.9 7.42 3 269 0.71
08/06 0.01 27.2 7.28 32 244 0.34
07/30 0.20 24.1 7.22 22 167 0.61
07/23 0.87 25.3 7.16 51 159 0.42
07/16 1.66 26.3 7.16 56 118 1.02 0.03
07/09 3.15 22.1 7.23 41 99 6.1 0.31 0.04
07/02 1.28 25.0 7.08 25 140 6.0 0.47 0.01
06/25 0.03 21.2 7.47 8 346 0.53 0.04
06/18 0.05 19.2 7.39 10 292 4.6 0.56 0.05
06/11 1.01 24.5 7.25 16 233 5.6 0.76 0.04
06/04 0.70 18.3 7.23 17 189 6.9 0.63 0.02
05/28 0.47 16.8 7.32 12 224 5.7 0.88 0.05
05/21 2.87 14.1 7.15 38 121 6.7 0.33 0.00
05/14 1.13 15.4 7.42 10 348 6.7 0.52 0.02
05/07 0.12 10.8 7.36 10 252 6.3 0.74 0.02
04/30 1.17 15.5 7.35 45 284 8.4 0.73 0.01
04/23 0.60 14.4 7.41 25 428 6.7 1.31 0.00
04/16 0.01 9.5 7.69 9 375 5.9 .83 0.02
04/09 0.46 13.0 7.28 18 343 5.9 0.92 0.01
04/02 3.70 12.3 7.45 50 313 7.3 0.57 0.03
03/26 2.17 7.9 7.82 21 325 5.2 0.66 0.03
03/19 0.00 6.2 7.62 6 1058 5.1 0.83 0.00
03/12 1.48 4.2 7.28 12 1362 2.9 0.72 0.02
03/05 2.57 4.3 7.39 8 4890 5.5 1.52 0.01
02/26 3.51 3.2 7.29 15 7560 1.33 0.00
02/19 0.5 2.2 7.58 8 788 1.67 0.01
02/12 0.11 3.1 7.47 7 1828 1.51 0.00
02/05 2.35 3.2 7.39 20 3100 1.18 0.0
01/29 .68 0.0
01/22 4.19 0.6 7.57 13 287 1.24 0.03
01/15 2.20 8.1 7.52 24 83 0.61 0.04
01/08 0.33 7.8 7.16 27 201   .89 .03
01/01 0.00 6.3 7.42 12 216 .93 .01
2004
12/25 0.97 3.0 7.41 31 154 0.73 0.03
12/18 0.00 2.5 7.23 6 185 1.93 0.03
12/11 1.71 10.4 7.24 32 143   0.13 0.04
12/04 0.59 4.3 7.17 38 158 0.65 0.03
11/27 0.29 6.8 7.16 32 229 0.93 0.01
11/20 0.25 12.9 7.33 21 189 0.49 0.00
11/13 2.06 9.0 7.18 35 89   0.29 0.04
11/06 1.71 9.05 7.14 3 1.00 0.03
10/30 0.16 13.9 7.32 18 0.14 0.03
10/23 0.63 11.1 7.25 41 172 1.11 0.0
10/16 0.11 14.8 7.39 11 397 1.24 0.0
10/09 0 14.4 7.45 0 491 1.68 0.01
10/02 2.46 19.3 44 173 0.79 0.02
09/25 0.00 18.7 7 348 1.26 0.03
09/18 1.07 22.7 22 318 1.23 0.02
09/11 0.46 20.5 7 367
09/04 0.08 22.7 12 394 1.02 0.13

Takoma Branch

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)
11/02 0.4 14.0 5 453.6 6.84
10/19 1.5 13.2 23 591 9.77
10/05 0.5 19.0 0 629 8.10
09/14 1.5 17.2 1 544 8.67
08/31 0.5 22.5 2 643 7.08
08/17 0.5 18.1 4 621 8.64
08/03 0.3 21.7 5 646 7.47
07/13 2 22.1 15 482.5 7.85 0.90
06/22 1 19.8 0 648 8.41 0.68
06/08 3 19.2 21 452.7 8.21 0.90
05/18 0.5 17.7 1 723 8.43 0.90
05/04 0.7 12.5 1 661 10.08 1.36
04/20 2 12.8 8 345.8 9.55 0.68
04/06 1 7.0 2 642 11.12 0.90
03/23 0.5 2.8 3 652 14.04 1.58
03/09 1.5 4.0 5 730 13.76 1.13
02/23 0.5 3.4 9 1329 11.94 1.13
02/09 1.5 1.7 4 903 14.03
01/26 0.4 0.0 9 7550 15.34 0.68
01/12 0.5 6.9 12 644 11.95 0.68
12/29 0.7 4.8 7 580 13.62 0.68
12/15 0.5 4.3 2 625 13.20 0.68
12/01 0.7 3.9 3 639 14.32 0.68
11/17 1.5 5.6 4 621 13.26 0.68
11/03 1.5 8.8 12 631 11.74 0.68
10/20 2 14.3 9 334.8 9.07 0.68
09/29 0.5 17.5 8 466.2 8.61
9/08 0.3 23.8 4 608 6.49
08/25 0.3 22.2 1 633 7.69 0.68
08/11 2 23.5 14 325.6 7.09 0.68
07/21 10 21.5 54 57.6 8.38 0.68
07/07 0.2 25.6 1 664 7.04 0.68
06/23 2 22.0 12 346.7 7.00 0.68
06/09 0.6 18.6 0 641 8.57 0.68
05/26 0.4 20.7 0 633 7.32 0.68
05/12 0.5 13.4 2 640 10.05 0.68
04/28 0.5 10.2 3 647 10.33 0.68
04/14 0.5 9.6 1 646 11.14 0.68
03/24 0.5 16.1 1 609 8.76 0.68
03/17 0.5 11.3 2 600 10.53 0.68
03/03 4 9.3 33 348.8 10.97 0.68
02/18 0.5 4.8 3 898 12.94 0.68
02/04 1 4.6 2 626 12.42 0.68
01/21 3 3.1 19 15810 13.16 0.68
01/07/12 0.5 4.0 3 590 12.96 0.68

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)
pH		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2011
12/24 2 7.6 2 532 12.41 0.68
12/10 1.5 6.7 9 571 12.07 0.68
11/26 1 7.3 3 602 12.16 0.68
11/12 0.5 6.1 5 635 12.37 0.68
10/29 5 9.4 22 108.6 0.68
10/15 0.75 15.1 10 548 0.68
10/01 0.5 15.7 2 615 0.68
09/10 3 21.3 4 619 0.68
09/03 0.4 20.9 2 604 0.68
08/20 0.3 21.5 2 526 0.68
07/30 0.2 25.8 0 650 0.68
07/16 0.3 6 0.68
07/02 0.3 20.2 0 664 0.68
06/18 1 21.1 9 616 0.68
06/04 0.5 17.1 0 740 0.68
05/21 0.3 16.1 3 662 0.68
05/07 1 13.2 6 729 0.68
04/23 1 10.9 10 371.2 0.68
04/09 1 9.0 11 458.1 8.74 0.68
03/26 0.5 4.9 3 720 8.93 0.68
03/12 1.5 5.8 12 726 10.35 0.68
02/26 1 4.2 10 1482 0.68
02/12 0.4 0.1 5 854 10.76
01/29 1 1.3 10 4708 10.46
01/15 0.3 0.1 4 2061 10.68 0.68
01/01 0.4 2.6 1 915 1.13
2010
12/04 0.2 2.9 4 599 0.90
11/20 0.4 6.5 0 610 7.12 0.68
11/06 0.5 8.6 2 594 7.32 0.68
10/23 0.4 9.5 1 604 7.34 0.68
10/09 0.3 14.1 0 642 7.22 1.13
09/25 0.3 21.5 0 669 0.90
09/11 0.3 16.7 1 746 5.47 2.03
08/28 0.3 20.5 0 677 5.22 1.36
08/14 1 21.7 2 581 6.41 0.90
07/31 0.3 21.5 4 640 6.22 0.68
07/10 5 24.2 42 510 5.50 1.36
06/26 0.3 22.5 0 677 6.33 0.68
06/12 0.3 20.5 2 676 6.83 0.68
05/29 0.5 19.1 1 665 7.07 1.13
05/15 0.5 18.0 2 465 6.74 0.68
05/01 0.5 14.5 2 667 8.08 1.36
04/17 1 14.4 3 689 8.22
04/03 1.5 11.5 0 667 9.24 1.13
03/20 2 8.2 4 716 10.13 0.68
03/13 12 9.4 34 230 9.25 0.68
02/27 2 3.2 2 843 11.88 1.58
02/13 2 1.8 14 5651 12.19 0.68
01/30 1 0.1 2 637 13.48 1.36
01/16 1 2.4 4 799 12.45 1.81
01/01 2 4.3 7 1169 11.44 1.13
2009
12/23 2 2.5 5 6270 12.47 0.68
12/05 2 9.7 14 557 9.35 1.36
11/21 1 9.6 5 509 10.25 1.13
11/07 0.5 6.1 8 566 11.16 1.36
10/24 0.4 15.3 7 580 7.73 1.36
10/11 0.2 15.4 2 558 8.1 0.68
09/27 3 20.4 8 310 7.41 0.68
09/13 1 21.0 5 543 7.88 1.58
08/29 1.5 22.7 2 484 6.05 0.68
08/15 0.3 21.9 3 596 1.36
08/01 1 22.0 9 367
07/18 0.5 20.7 4 608 6.58
07/04 0.5 19.1 8 594 7.16 1.58
06/20 2 19.8 5 530 7.12 1.36
06/06 4 17.1 7.47 12 473 7.89 2.71
05/23 2 17.3 7.98 0 586 7.91 1.13
05/09 3 16.5 7.90 7 561 8.13 1.58
04/25 1 12.8 7.83 1 611 9.34 1.36
03/28 12 10.4 7.87 46 259 9.26 0.90
03/14 0.4 5.1 7.89 1 742 11.80 1.13
02/28 0.4 6.0 8.00 0 605 12.16 1.13
02/14 0.4 2.9 8.01 0 663 13.50 1.58
01/31 0.4 0.1 7.72 0 1586 14.77 1.13
01/17 0.0
01/03 0.4 0.7 7.83 0 526 14.36 1.81
2008
12/20 1.5 6.7 7.86 2 442 11.14 1.35
12/06 0.375 1.0 7.84 1 533.6 14.37 0.90
11/22 0.5 1.4 7.74 0 530 14.26 1.13
11/08 0.8 14.1 7.95 5 577 8.22 0.90
10/25 1.5 12.1 7.98 7 532 8.96 1.58
10/11 0.75 14.2 7.95 548 9.24 1.36
09/27 4.5 19.7 7.82 37 223 7.84 .68
09/13 0.65 21.1 8.01 0 534 7.70 1.36
08/30 0.5 21.3 7.92 4 351 7.38 0.90
08/15 .5 19.6 8.04 0 557 8.05 1.81
08/02 5 22.7 7.84 27 430 6.26 2.03
07/19 0.3 22.8 8.01 5 571 7.27 1.35
07/05 .5 22.0 7.87 2 327 7.32 0.91 0.03
06/21 .5 19.5 8.00 4 559 8.17 0.94 0.03
06/07 1 20.3 7.85 2 530 8.65 0.96 0.04
05/24 1.5 13.8 7.93 3 567 9.60 1.19 0.02
05/10 7 14.5 7.77 19 214 8.84 0.68 0.02
04/26 0.8 16.1 7.75 6 584 7.38 1.07 0.07
04/12 1.5 15.7 7.87 7 379 6.65 0.97 0.04
03/29 0.5 6.8 7.99 4 493 11.81 0.77 0.02
03/15 9.9 7.97 2 607 9.93 1.11 0.01
03/01 4.3 8.01 1 744 12.91 1.23 0.02
02/16 3.4 7.92 2 628 13.54 1.16 0.03
02/02   3.8 7.94 11 317 12.8 2.09 0.02
01/19   4.1 7.89 6 719 1.29 0.02
01/05 0.8 8.00 5 414 1.27 0.02

Date BiWeekly Rainfall (inches) Water
Temperature
(degree C)		 pH Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2007
12/22 1.11 6.2 8.02 4 466 1.07 0.03
12/08 3.45 6.5 7.68 35 11727 0.64 0.04
11/24 1.16 4.9 7.87 4 411 0.71 0.04
11/10 0.19 8.2 7.83 9 358 1.21 0.05
10/27 6.55 18.6 7.74 33 83 0.51 0.10
10/13 0.00 13.6 7.91 1 432 0.43 0.04
09/29 0.00 17.5 7.87 1 454 9.8 0.45 0.07
09/15 0.60 21.1 7.77 9 335 10.0 0.71 0.07
09/01 2.91 19.8 8.01 0 494 11.3 0.87 0.04
08/18 0.56 22.0 7.92 3 502 11.3 0.46 0.07
08/04 1.07 23.8 7.90 1 507 11.8 0.82 0.08
07/21 1.19 20.3 7.94 0 476 11.6 0.81 0.09
07/07 0.18 21.8 7.90 3 475 11.8 0.68 0.10
06/23 0.28 18.3 7.88 1 497 10.2 1.04 0.09
06/09 1.36 23.5 7.66 6 284 0.54 0.07
05/26 0.48 18.8 7.82 1 475 8.8 1.36 0.10
05/12 0.97 17.7 7.79 2 480 11.5 1.34 0.07
04/28 2.62 15.3 7.73 13 295 9.5 0.81 0.06
04/14 1.94 8.1 7.84 3 416 9.1 1.37 0.07
03/31 0.04 9.3 7.81 3 401 7.9 1.52 0.03
03/17 4.20 4.9 7.85 14 472 1.69 0.07
03/03 4.67 5.4 7.74 6 548 1.59 0.08
02/17 4.02 0.2 7.92 45 638 1.58 0.19
02/03 1.69 2.3 7.94 61 894 1.76 0.06
01/20 0.59 2.4 7.83 2 382 1.37 0.03
01/06 1.89 13.3 7.72 8 358 10.0 1.01 0.03
2006
12/23 0.85 11.5 7.87 15 202 8.4 0.76 0.04
12/09 0.06 0.5 7.92 3 366 1.46 0.03
11/25 3.03 7.3 7.82 3 389 8.6 1.19 0.02
11/11 2.13 13.1 7.85 2 432 8.9 1.09 0.00
10/28 2.88 14.7 7.88 32 111 7.9 0.62 0.03
10/14 2.48 9.3 7.95 2 451 7.0 1.01 0.01
09/30 1.05 14.1 7.83 4 423 8.4 0.83 0.03
09/16 2.55 19.9 7.82 1 458 6.6 0.74 0.04
09/02 3.05 19.9 7.88 13 115 9.8 0.29 0.01
08/19 0.96 22.9 7.87 1 520 9.5 1.02 0.01
08/05 0.00 23.7 7.80 1 476 9.0 0.50 0.03
07/22 1.03 25.1 7.87 1 540 10.7 1.23 0.03
07/08 13.04 20.3 7.81 0 481 12.5 1.22 0.04
06/24 3.27 23.2 7.76 5 442 11.7 0.46 0.01
06/10 0.24 18.3 7.52 13 323 7.4 0.63 0.00
05/27 0.94 19.3 7.68 9 351 10.5 0.63 0.03
05/13 1.27 15.8 7.71 14 169 9.5 0.42 0.01
04/29 1.24 11.3 7.75 2 445 8.5 0.98 0.02
04/15 1.25 16.4 7.67 3 500 10.3 0.90 0.00
04/01 0.03 14.7 7.78 4 462 11.2 0.69 0.02
03/18 0.00 4.6 7.75 2 405 1.26 0.01
03/04 0.28 1.7 7.62 1 398 1.68 0.00
02/18 9.91 4.6 7.49 2 505 1.33 0.01
02/04 2.54 7.4 7.52 5 390 1.09 0.01
01/21 1.36 6.0 7.70 3 360 1.28 0.01
01/07 1.61 1.8 7.83 4 275 1.02 0.01
2005
12/24 1.23 2.6 7.81 2 277 1.23 0.01
12/10 6.08 1.1 7.82 5 681 1.31 0.01
11/26 1.35 2.5 7.88 13 251 8.7 0.70 0.01
11/12 0.05 7.7 7.88 1 308 6.8 0.72 0.01
10/29 1.81 9.3 7.98 1 309 7.5 0.61 0.02
10/15 7.61 18.2 8.01 0 368 0.71 0.02
09/24 0.01 20.8 7.88 2 583 9.2 0.62 0.05
09/10 0.27 20.9 7.89 0 546 1.10 0.02
08/27 0.22 21.1 7.94 1 551 1.12 0.04
08/20 0.50 23.4 7.77 7 372 0.47 0.05
08/13 1.33 25.7 7.92 0 557 0.98
08/06 0.01 24.8 7.91 1 557 1.28
07/30 0.20 23.3 7.79 2 375 0.70
07/23 0.87 23.1 7.67 25 246 1.54
07/16 1.66 24.0 7.64 13 410 0.87 0.04
07/09 3.15 21.0 7.88 7 511 8.4 1.55 0.03
07/02 1.28 23.4 7.65 6 493 8.3 0.77 0.02
06/25 0.03 20.7 7.91 1 536 0.91 0.02
06/18 0.05 18.4 7.92 1 520 7.3 0.82 0.07
06/11 1.01 22.3 7.85 3 535 9.2 0.86 0.01
06/04 0.70 17.7 7.76 8 451 9.0 1.04 0.03
05/28 0.47 16.0 7.78 5 456 9.0 0.87 0.02
05/21 2.87 12.8 7.74 9 417 8.7 0.89 0.03
05/14 1.13 14.3 7.79 5 491 9.3 1.50 0.01
05/07 0.12 9.9 7.69 3 466 9.4 1.15 0.01
04/30 1.17 14.6 7.58 23 172 9.0 1.02 0.03
04/23 0.60 13.3 7.56 17 335 8.4 2.20 0.01
04/16 0.01 7.8 7.88 1 457 9.1 1.43 0.04
04/09 0.46 10.7 7.71 1 493 8.3 1.39 0.00
04/02 3.70 11.0 7.76 44 191 8.3 0.60 0.04
03/26 2.17 7.8 7.86 3 519 7.1 0.95 0.02
03/19 0.00 5.3 7.76 1 491 6.5 1.42 0.00
03/12 1.48 3.7 7.45 1 794 4.4 1.17 0.05
03/05 2.57 3.9 7.71 5 725 5.8 1.19 0.01
02/26 3.51 2.2 7.70 2 2240 1.71 0.00
02/19 0.5 1.4 7.78 1 442 1.06 0.00
02/12 0.11 2.5 7.76 3 492 1.70 0.00
02/05 2.35 2.5 7.71 8 811 1.27 0.0
01/29 .68 0.0
01/22 4.19 0.2 7.67 12 596 1.82 0.01
01/15 2.20 5.8 7.52 6 330 2.70 0.01
01/08 0.33 8.3 7.22 17 104   .33 .01
01/01 0.00 6.3 7.61 8 421 1.72 .02
2004
12/25 0.97 1.3 7.78 3 361 1.38 0.01
12/18 0.00 2.2 7.73 3 368 1.82 0.01
12/11 1.71 11.2 7.73 9 353   0.42 0.02
12/04 0.59 4.1 7.73 13 374 0.84 0.04
11/27 0.29 6.1 7.78 8 384 1.21 0.14
11/20 0.25 12.9 7.71 8 446 1.08 0.01
11/13 2.06 9.1 7.40 22 248   1.74 0.04
11/06 1.71 9.21 7.76 7 0.90 0.03
10/30 0.16 14.3 7.62 7 0.96 0.02
10/23 0.63 11.4 7.81 1 408 1.46 0.02
10/16 0.11 14.1 7.61 8 355 1.23 0.0
10/09 0 14.2 7.87 0 498 1.03 0.02
10/02 2.46 19.6 52 78.6 0.39 0.05
09/25 0.00 18.4 3 461 1.55 0.03
09/18 1.07 21.9 13 196.4 1.05 0.05
09/11 0.46 20.2 2 489
09/04 0.08 22.9 4 498 1.88 0.17

USGS Sligo Creek

Date Estimated
Discharge
(ft3/sec)		 Water
Temperature
(degree C)		 Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)
11/02 2.3 14.5 2.7 421 8.6
10/19 1.6 13.8 0.3 550 9.4
10/05 0.68 19.0 678 8.0
09/14 3.5 18.7 3.1 241 8.5
08/31 0.99 22.4 0.9 546 6.9
08/17 0.92 18.6 1.1 576 8.0
08/03 1.2 21.8 1.6 533 7.3
07/13 15 22.5 9.0 225 8.3
06/22 2.3 19.6 1.3 446 8.0
06/08 23
05/18 1.9 17.7 1.8 538 8.7
05/04 2.1 13.0 1.4 679 9.9
04/20 24 14.5 26 272 10.1
04/06 2.7 6.9 1.4 921 11.9
03/23 2.9 4.4 1.3 682 12.5
03/09 4.3 4.8 2.5 1210 12.3
02/23 2.9 3.0 1.1 855 12.7
02/09 4.0 2.7 4.4 1570 12.9
01/26 3.5 0.0 15 2680 14.6
01/12 2.4 6.5 2.5 643 11.0
12/29 4.5 4.3 4.8 754 12.7
12/15 1.6 4.6 0.2 639 12.0
12/01 1.3
11/17 1.5 6.5 0.8 523 11.2
11/03 2.2 9.5 280 335 10.4
10/20 6.1 14.9 6.9 185 9.1
09/29 2.6 17.9 1.5 281 7.9
08/25 .78 22.0 1.7 560 6.5
08/11 6.1 23.6 4.2 196 7.3
07/21 227 21.1 71 71 8.7
07/07 .92 25.3 .7 608 5.0
06/23 7.4
05/26 2.0
05/12 1.8
04/28 2.2
04/13 2.3
03/24 4.3
03/17 2.9
03/03 26        
02/18 2.6
02/04 3.5
01/21 11
01/07/12 4

Date BiWeekly Rainfall (inches) Water
Temperature
(degree C)		 pH Turbidity
(FTU)		 Conductivity
(µS/cm)		 Dissolved
Oxygen
(mg/l)		 Nitrate
NO3-N
(mg/l)		 Phosphate
PO4-P
(mg/l)
2007
Site closed down for lack of funding
07/07 0.18 22.9 7.1 1.4 312 5.6
06/23 0.28 20.2 7.2 7.8 389 6.7
06/09 1.36 22.8 7.3 23 205 6.4
05/26 0.48 20.9 7.3 0 407 7.0
05/12 0.97 19.7 7.3 390 6.9
04/14 1.94 9.1 7.4 3.0 417 11.5
04/28 2.62 14.5 7.1 8.9 333 8.4
04/14 1.94 8.7 7.53 14 417 4.8
03/31 0.04 11 7.4 2.1 438 10.2
03/17 4.20 3.2 7.4 99 505 12.4
03/03 4.67 5.9 7.4 57 503 11.2
02/17 4.02 0.1 7.3 15 4290 13.2
02/03 1.69 1.1 7.4 9.1 865 12.8
01/20 0.59 2.6 7.4 2 333 12.8
01/06 1.89 10.5 7.3 12 247 10.4
2006
12/23 0.85 9.2 7.4 30 196 11.1
12/09 0.06 0.7 7.4 8.2 358 13.6
11/25 3.03 6.7 7.0 255 11.9
11/11 2.13 11.8 7.2 6.58 265 10.59
10/28 2.88 12.4 7.49 83.87 122 10.8
10/14 2.48 11.1 7.1 351 9.1
09/30 1.05 14.7 7.2 5.1 234 8.8
09/16 2.55 19 7.1 6.1 252
09/02 3.05 18.2 7.3 60.53 133
08/19 0.96 23.9 7.1 490 5.69
08/05 0.00 25.6 7.0 409 5.09
07/22 1.03 25.7 7.1 415 6.3
07/08 13.04
06/24 3.27
06/10 0.24
05/27 0.94
05/13 1.27
04/29 1.24
04/15 1.25
04/01 0.03
03/18 0.00
03/04 0.28
02/18 9.91
02/04 2.54
01/21 1.36
01/07 1.61
2005
12/24 1.23 1.6 7.4 1.6 442
12/10 6.08 0.6 7.7 6 13.8
11/26 1.35 1.9 7.5 9.2 303 13.2
11/12 0.05 7.9 7.6 9.2 370 9.9
10/29 1.81 8.8 7.4 4.4 299 11.4
10/15 7.61 16.5 7.5 7 313 9
09/24 0.01 21.6 7.19 2.85 363
09/10 0.27 20.7 5 405
08/27 0.22 21.3 7.3 5.1 383
08/20 0.50 22.6 7.3 7.5 249
08/13 1.33 26.1 7.2 3.5 339
08/06 0.01 25.6 7.3 4.1 386
07/30 0.20 22.6 7.3 58 191
07/23 0.87 22.5 7.1 250 113
07/16 1.66 24 7.2 16 226
07/09 3.15 20.8 7.2 37 177
07/02 1.28 23.7 6.9 48 183
06/25 0.03 22 7.3 1.4 384
06/18 0.05 20.1 7.3 1.2 379
06/11 1.01 22.8 7.4 4.4 357
06/04 0.70 16.8 7.3 4.9 268
05/28 0.47 16.4 7.4 1.1 342
05/21 2.87 12.8 7.3 29 465
05/14 1.13 14.9 7.3 2.6 376
05/07 0.12 10.9 7.4 0.9 359
04/30 1.17 14.2 7.3 29 264
04/23 0.60 14.4 7.3 16 399
04/16 0.01 10.3 7.4 4.3 373
04/09 0.46 12.5 7.4 7.2 355
04/02 3.70 10.8 7.6 120 241
03/26 2.17 7.6 7.3 13 431
03/19 0.00 6.5 7.3 6.8 537
03/12 1.48 4.3 7.3 4.3 818
03/05 2.57 3.9 7.2 3.1 1430
02/26 3.51 2 7.3 5.2 4187
02/19 0.5 1.2 7.4 3.1 508
02/12 0.11
02/05 2.35 1.8 7.4 7.6 1390
01/29 .68 0 7.3 3.4 1020
01/22 4.19 0 7.3 2.9 1200
01/15 2.20 6.8 7.3 69 164
01/08 0.33 7.4 7.2 98 286
01/01 0.00 5.1 7.2 1.1 306
2004
12/25 0.97 2.8 7.2 29 237
12/18 0.00 2.2 7.4 3.3 310
12/11 1.71 9.9 7.1 11 208
12/04 0.59 4.6 7.2 15 272
11/27 0.29 7 7.2 0.5 284
11/20 0.25 11.2 7.3 1.2 312
11/13 2.06 6.62 15 217
11/06 1.71 9.3 8.54 259
10/30 0.16 13.6 0.02 328
10/23 0.63 10.92 2.46 287
10/16 0.11 13.4 1.76 361
10/09 0 15.08 1.14 339
10/02 2.46 18.8 7.6 59.2 243
09/25 0.00 18.8 7.5 1.26 367
09/18 1.07 21.6 7.59 35.53 193
09/11 0.46 20.6 7.4 15.1 333
09/04 0.08 21.7 7.4 0.88 357