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Sewerage Systems, Munford, Tennessee. NPDES permit TN0056863, in force until Sep 30, 2027. Last 12 months: over a limit 31 times (last April 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 11.5 mg/L | ≤ 10 mg/L | 15% |
| October 2025 | E. coli, daily maximum | 2420 #/100mL | ≤ 941 #/100mL | 157% |
| October 2025 | E. coli, monthly average | 2420 #/100mL | ≤ 126 #/100mL | 1821% |
| October 2025 | Nitrogen, ammonia total [as N], daily maximum | 22.7 mg/L | ≤ 1 mg/L | 2170% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 21 mg/L | ≤ .5 mg/L | 4100% |
| October 2025 | Oxygen, dissolved [DO], instantaneous minimum | 1.17 mg/L | ≥ 6 mg/L | 81% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 12 mg/L | ≤ 10 mg/L | 20% |
| November 2025 | E. coli, daily maximum | 2420 #/100mL | ≤ 941 #/100mL | 157% |
| November 2025 | E. coli, monthly average | 2420 #/100mL | ≤ 126 #/100mL | 1821% |
| November 2025 | Nitrogen, ammonia total [as N], daily maximum | 21.5 mg/L | ≤ 2.8 mg/L | 668% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 21.5 mg/L | ≤ 1.4 mg/L | 1436% |
| November 2025 | Oxygen, dissolved [DO], instantaneous minimum | 1.22 mg/L | ≥ 6 mg/L | 80% |
| November 2025 | Solids, total suspended, monthly average | 30.5 mg/L | ≤ 30 mg/L | 2% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], daily maximum | 24 mg/L | ≤ 20 mg/L | 20% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 21 mg/L | ≤ 10 mg/L | 110% |
| December 2025 | E. coli, daily maximum | 2420 #/100mL | ≤ 941 #/100mL | 157% |
| December 2025 | E. coli, monthly average | 2420 #/100mL | ≤ 126 #/100mL | 1821% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 23.3 mg/L | ≤ 2.8 mg/L | 732% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 23.1 mg/L | ≤ 1.4 mg/L | 1550% |
| December 2025 | Oxygen, dissolved [DO], instantaneous minimum | 1.07 mg/L | ≥ 6 mg/L | 82% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 25 mg/L | ≤ 20 mg/L | 25% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 23.5 mg/L | ≤ 10 mg/L | 135% |
| January 2026 | Nitrogen, ammonia total [as N], daily maximum | 29.4 mg/L | ≤ 2.8 mg/L | 950% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 27.3 mg/L | ≤ 1.4 mg/L | 1850% |
| January 2026 | Oxygen, dissolved [DO], instantaneous minimum | 1.32 mg/L | ≥ 6 mg/L | 78% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 10.5 mg/L | ≤ 10 mg/L | 5% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 24.8 mg/L | ≤ 2.8 mg/L | 786% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 27.7 mg/L | ≤ 1.4 mg/L | 1879% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 19.9 mg/L | ≤ 2.8 mg/L | 611% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 5.2 mg/L | ≤ 1.4 mg/L | 271% |
| April 2026 | pH, daily minimum | 5.71 SU | ≥ 6 SU | — |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 6 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| E. coli | monthly average | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | all year |
Cited limits by parameter: Tennessee's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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