Passage Data · Check a report · Use it from your AI
Sewerage Systems, Crossville, Tennessee. NPDES permit TN0055719, in force until Nov 30, 2026. Last 12 months: over a limit once (last May 2026), 5 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Nitrogen, ammonia total [as N], monthly average | .81 mg/L | ≤ .56 mg/L | 45% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily 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 | ≤ 1.07 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .56 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.14 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.12 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 | daily maximum | report only (MGD) | 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.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TN0055719 · MCP: https://passage-data.com/mcp