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Sewage treatment plant, Lynchburg, Tennessee. NPDES permit TN0025101, in force until Aug 31, 2027. Last 12 months: over a limit once (last December 2025), 1 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | E. coli, monthly geometric mean | 266.9 #/100mL | ≤ 126 #/100mL | 112% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 40 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 75 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 100 lb/d | all year | 001 |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.19 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.48 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 7.79 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.72 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.38 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.96 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12.99 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.2 lb/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 19.49 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 9.3 lb/d | May–Oct | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 001 |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year | 001 |
| E. coli | daily maximum | ≤ 941 #/100mL | all year | 001 |
| SSO, Dry Weather | monthly total | ≤ 0 occur/mo | all year | 001 |
| SSO, Wet Weather | monthly total | ≤ 0 occur/mo | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 35 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 63 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 88 lb/d | all year | 001 |
| BOD, carbonaceous, percent removal | daily minimum | ≥ 40 % | all year | 001 |
| BOD, carbonaceous, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | daily minimum | ≥ 40 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | > 16.7 % | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Pimephales | minimum | > 16.7 % | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | INF1 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | INF1 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | INF1 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | INF1 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | INF1 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | INF1 |
Cited limits by parameter: Tennessee's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TN0025101 · MCP: https://passage-data.com/mcp