Table 1. Monthly averages for total coliforms or fecal coliforms in Tahlequah water resource recovery facility effluent 2007-2009.
| Year | Month | Total coliforms/100 mla | Fecal coliforms/100mlb |
|---|---|---|---|
| 2007 | Jan | 16 | |
| Feb | 25 | ||
| Mar | 11 | ||
| Apr | 80 | ||
| May | 10 | ||
| Jun | 14 | ||
| Jul | 4 | ||
| Aug | 37 | ||
| Sep | 33 | ||
| Oct | 215 | ||
| Nov | 185 | ||
| Dec | 217 | ||
| 2008 | Jan | 189 | |
| Feb | 318 | ||
| Mar | 134 | ||
| Apr | 127 | ||
| May | 41 | ||
| Jun | 34 | ||
| Jul | 3 | ||
| Aug | 26 | ||
| Sep | 15 | ||
| Oct | 101 | ||
| Nov | 1118 | ||
| Dec | 464 | ||
| 2009 | Jan | 177 | |
| Feb | 622 | ||
| Mar | 1700 | ||
| Apr | 3313 | ||
| May | 51 | ||
| Jun | 27 | ||
| Jul | 12 | ||
| Aug | 14 | ||
| Sep | 19 | ||
| Oct | 99 | ||
| Nov | 352 | ||
| Dec | 241 |
a
Tahlequah WRRF Oklahoma/National Pollutant Discharge Elimination System (OPDES/NPDES) permit limitations: Daily Maximum Discharge of 20,000 coliforms/100 ml and an Average (geometric mean) Monthly Discharge of 5,000 coliforms/100ml.
b
Tahlequah WRRF Oklahoma/National Pollutant Discharge Elimination System (OPDES/NPDES) permit limitations: Daily Maximum Discharge of 400 fecal coliforms/100 ml and an Average (geometric mean) Monthly Discharge of 200 fecal coliforms/100ml.