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Sewerage Systems, Crossville, Tennessee. NPDES permit TN0080411, in force until Apr 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | Apr–Oct | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | Apr–Oct | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| pH | minimum | ≥ 6 SU | Apr–Oct | 001 |
| pH | minimum | ≥ 6 SU | Jan, Feb, Mar, Nov, Dec | 001 |
| pH | maximum | ≤ 9 SU | Apr–Oct | 001 |
| pH | maximum | ≤ 9 SU | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 10 mL/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | Apr–Oct | 001 |
| Solids, total suspended | daily maximum | ≤ 20 mL/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Solids, total suspended | daily maximum | ≤ 20 mg/L | Apr–Oct | 001 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 50000 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | Apr–Oct | 001 |
| Chlorine, total residual | daily maximum | ≤ 2 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| E. coli | monthly average | ≤ 126 #/100mL | Apr–Oct | 001 |
| E. coli | monthly average | ≤ 126 #/100mL | Jan, Feb, Mar, Nov, Dec | 001 |
| E. coli | daily maximum | ≤ 410 #/100mL | Apr–Oct | 001 |
| E. coli | daily maximum | ≤ 410 #/100mL | Jan, Feb, Mar, Nov, Dec | 001 |
| UV Light Working | value | report only (pass=0;fail=1) | 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, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
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/TN0080411 · MCP: https://passage-data.com/mcp