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Sewerage Systems, Etowah, North Carolina. NPDES permit NC0067288 expired Nov 30, 2025; its limits still apply. Last 12 months: over a limit 18 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, 5-day, 20 deg. C, 30-day average | 41.75 mg/L | ≤ 30 mg/L | 39% |
| October 2025 | BOD, 5-day, 20 deg. C, daily maximum | 54 mg/L | ≤ 45 mg/L | 20% |
| October 2025 | Flow, in conduit or thru treatment plant, 30-day average | .0559 MGD | ≤ .035 MGD | 60% |
| October 2025 | Solids, total suspended, 30-day average | 31 mg/L | ≤ 30 mg/L | 3% |
| November 2025 | BOD, 5-day, 20 deg. C, 30-day average | 68.75 mg/L | ≤ 30 mg/L | 129% |
| November 2025 | BOD, 5-day, 20 deg. C, daily maximum | 100 mg/L | ≤ 45 mg/L | 122% |
| November 2025 | Flow, in conduit or thru treatment plant, 30-day average | .0521 MGD | ≤ .035 MGD | 49% |
| November 2025 | Solids, total suspended, 30-day average | 35.75 mg/L | ≤ 30 mg/L | 19% |
| December 2025 | Flow, in conduit or thru treatment plant, 30-day average | .047 MGD | ≤ .035 MGD | 34% |
| January 2026 | Flow, in conduit or thru treatment plant, 30-day average | .055 MGD | ≤ .035 MGD | 57% |
| February 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0631 MGD | ≤ .035 MGD | 80% |
| March 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0601 MGD | ≤ .035 MGD | 72% |
| April 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0568 MGD | ≤ .035 MGD | 62% |
| May 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0616 MGD | ≤ .035 MGD | 76% |
| June 2026 | BOD, 5-day, 20 deg. C, daily maximum | 71 mg/L | ≤ 45 mg/L | 58% |
| June 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0592 MGD | ≤ .035 MGD | 69% |
| July 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0602 MGD | ≤ .035 MGD | 72% |
| August 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0634 MGD | ≤ .035 MGD | 81% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 16 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 32 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 35 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 35 mg/L | Jan, Feb, Mar, Nov, Dec |
| Coliform, fecal MF, MFC broth, 44.5 C | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal MF, MFC broth, 44.5 C | daily maximum | ≤ 400 #/100mL | all year |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .035 MGD | all year |
| Chlorine, total residual | daily maximum | ≤ 28 ug/L | all year |
Cited limits by parameter: North Carolina's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/NC0067288 · MCP: https://passage-data.com/mcp