USGS SUMMARIES

Data Anomalies at USGS Site 01650800
Sligo Creek near Maple Avenue

Prior to June 30, 2010, USGS maintained a site on the NW Branch near Hyattsville, MD.
Between Feb 2004 and Jun 2010 Friends of Sligo Creek maintained data anomalies for that site.

State standards: Temperature <= 32.2°C Turbidity <= 150 NTU 6.5 <= pH <=8.5 Dissolved oxygen > 5.0 mg/l

See USGS site for Sligo Creek gauge. Use of provisional USGS data is subject to revision.

Click on month/year to see details

In April 2013, USGS changed the gauges at Sligo Creek.

Month/Year pH data in violation / pH data measured % pH data in violation Temperature data in violation / Temperature data measured % Temperature data in violation Turbidity data in violation / Turbidity data measured % Turbidity data in violation Dissolved oxygen data in violation / Dissolved oxygen data measure % Dissolved oxygen data in violation
May 2015 10 / 5856 0.17% 0 / 5856 0% 0 / 5856 0%
Apr 2015 1237 / 8587 14.41% 0 / 8586 0% 0 / 8587 0%
Mar 2015 1171 / 8102 14.45% 0 / 8102 0% 0 / 8102 0%
Feb 2015 0 / 8057 0% 0 / 7029 0% 0 / 7030 0%
Jan 2015 0 / 2360 0% 0 / 2360 0% 0 / 2360 0%
Dec 2014 0 / 8613 0% 0 / 8613 0% 0 / 8613 0%
Nov 2014 0 / 8638 0% 0 / 8578 0% 0 / 8638 0%
Oct 2014 0 / 8129 0% 0 / 8129 0% 0 / 8107 0%
Sep 2014 0 / 8620 0% 0 / 8620 0% 0 / 8544 0%
Aug 2014 0 / 8620 0% 0 / 8620 0% 0 / 8544 0%
July 2014 4 / 5727 0.07% 0 / 5727 0% 0 / 3476 0%
June 2014 0 / 5636 0% 0 / 5636 0% 0 / 5434 0%
May 2014 0 / 6396 0% 0 / 8560 0% 24 / 6396 0.38%
April 2014 2278 / 8525 26.72% 0 / 8611 0% 0 / 8505 0%
Mar 2014 3135 / 8916 35.16% 0 / 8916 0% 0 / 8916 0%
Feb 2014 509 / 8051 6.32% 0 / 8051 0% 0 / 8051 0%
Jan 2014 0 / 8915 0% 0 / 8915 0% 0 / 8915 0%
Dec 2013 0 / 8914 0% 0 / 8914 0% 0 / 8914 0%
Nov 2013 0 / 8631 0% 0 / 8631 0% 0 / 8631 0%
Oct 2013 0 / 5765 0% 0 / 8918 0% 0 / 5769 0%
Sep 2013 0 / 6193 0% 0 / 6193 0% 0 / 6193 0%
Aug 2013 0 / 8513 0% 0 / 8513 0% 0 / 8513 0%
July 2013 0 / 8928 0% 0 / 8928 0% 0 / 8928 0%
June 2013 0 / 8563 0% 0 / 8551 0% 0 / 8563 0%
May 2013 20 / 2976 0.67% 0 / 2976 0% 20 / 2976 0.67%
Apr 2013 642 / 2866 22.40% 0 / 2866 0% 0 / 2866 0%
Mar 2013 323 / 904 35.73% 0 / 904 0% 0 / 904 0% 0 / 904 0%
Feb 2013 40 / 2688 1.49% 0 / 2688 0% 0 / 2688 0% 0 / 2688 0%
Jan 2013 28 / 2963 0.94% 0 / 2963 0% 26 / 2963 0.88% 0 / 2963 0%
Dec 2012 0 / 2973 0% 0 / 2973 0% 1 / 2969 0.03% 0 / 2973 0%
Nov 2012 0 / 2877 0% 0 / 2877 0% 48 / 2873 1.67% 0 / 2877 0%
Oct 2012 4 / 2969 0.13% 0 / 2969 0% 28 / 2651 1.06% 4 / 2969 0.13%
Sep 2012 0 / 2867 0% 0 / 2867 0% 13 / 2336 0.56% 44 / 2867 1.53%
Aug 2012 6 / 2976 0.20% 0 / 2976 0% 0 / 2714 0% 5 / 2976 0.17%