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% |