Passage Data · Check a report · Use it from your AI
Sewerage Systems, Graham, North Carolina. NPDES permit NC0042528 expired May 31, 2026; its limits still apply. Last 12 months: over a limit 7 times (last January 2026), 30 required values missing, 2 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, 30-day average | 35 mg/L | ≤ 30 mg/L | 17% |
| December 2025 | BOD, 5-day, 20 deg. C, daily maximum | 78 mg/L | ≤ 45 mg/L | 73% |
| December 2025 | Solids, total suspended, daily maximum | 53 mg/L | ≤ 45 mg/L | 18% |
| January 2026 | BOD, 5-day, 20 deg. C, 30-day average | 66.45 mg/L | ≤ 30 mg/L | 122% |
| January 2026 | BOD, 5-day, 20 deg. C, daily maximum | 86.3 mg/L | ≤ 45 mg/L | 92% |
| January 2026 | Solids, total suspended, 30-day average | 91.5 mg/L | ≤ 30 mg/L | 205% |
| January 2026 | Solids, total suspended, daily maximum | 109 mg/L | ≤ 45 mg/L | 142% |
| 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 |
| Oil & Grease | 30-day average | ≤ 30 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 45 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .015 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.
· 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/NC0042528 · MCP: https://passage-data.com/mcp