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Sewerage Systems, Arlington, Tennessee. NPDES permit TN0061433, in force until Dec 31, 2027. Last 12 months: over a limit 10 times (last June 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 9.17 mg/L | ≤ 8 mg/L | 15% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 8.125 mg/L | ≤ 4 mg/L | 103% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 35 mg/L | ≤ 20 mg/L | 75% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 30 mg/L | ≤ 10 mg/L | 200% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 9.91 mg/L | ≤ 8 mg/L | 24% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 9.3 mg/L | ≤ 4 mg/L | 133% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 28 mg/L | ≤ 8 mg/L | 250% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 25.8 mg/L | ≤ 4 mg/L | 545% |
| March 2026 | Solids, total suspended, monthly average | 31.7 mg/L | ≤ 30 mg/L | 6% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 2.77 mg/L | ≤ 1.5 mg/L | 85% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Solids, settleable | daily maximum | ≤ 1 mL/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | May–Oct |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| 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 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .01 mg/L (alert, not enforceable) | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/100mL | all year |
| E. coli | daily maximum | ≤ 941 #/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] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | 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 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 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
Your permit document is the final word. As JSON: /api/v1/permits/TN0061433 · MCP: https://passage-data.com/mcp