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Electric Services, major discharger, Roxboro, North Carolina. NPDES permit NC0038377, in force until Apr 30, 2029. Last 12 months: no values over a limit, 10 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Chromium, total [as Cr] | 30-day average | ≤ .2 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 001 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, free available | 30-day average | ≤ 200 ug/L | all year | 001 |
| Chlorine, free available | daily maximum | ≤ 500 ug/L | all year | 001 |
| Chlorination duration | daily maximum | ≤ 120 min | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| Turbidity | daily maximum | report only (NTU) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil & Grease | 30-day average | ≤ 15 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 002 |
| Chloride [as Cl] | 30-day average | ≤ 250 mg/L | all year | 002 |
| Chloride [as Cl] | daily maximum | ≤ 250 mg/L | all year | 002 |
| Fluoride, total [as F] | daily maximum | report only (ug/L) | all year | 002 |
| Arsenic, total [as As] | 30-day average | ≤ 10 ug/L | all year | 002 |
| Arsenic, total [as As] | daily maximum | ≤ 340 ug/L | all year | 002 |
| Barium, total [as Ba] | 30-day average | ≤ 1 mg/L | all year | 002 |
| Barium, total [as Ba] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Boron, total [as B] | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | 30-day average | ≤ .59 ug/L | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | ≤ 3.24 ug/L | all year | 002 |
| Chromium, hexavalent [as Cr] | 30-day average | ≤ 11 ug/L | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 16 ug/L | all year | 002 |
| Chromium, trivalent [as Cr] | 30-day average | ≤ 117.7 ug/L | all year | 002 |
| Chromium, trivalent [as Cr] | daily maximum | ≤ 905.1 ug/L | all year | 002 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | 30-day average | ≤ 7.88 ug/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ 10.47 ug/L | all year | 002 |
| Lead, total [as Pb] | 30-day average | ≤ 2.94 ug/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ 75.5 ug/L | all year | 002 |
| Thallium, total [as Tl] | 30-day average | ≤ 2 ug/L | all year | 002 |
| Thallium, total [as Tl] | daily maximum | ≤ 2 ug/L | all year | 002 |
| Nickel, total [as Ni] | 30-day average | ≤ 25 ug/L | all year | 002 |
| Nickel, total [as Ni] | daily maximum | ≤ 335.2 ug/L | all year | 002 |
| Zinc, total [as Zn] | 30-day average | ≤ 126.7 ug/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 125.7 ug/L | all year | 002 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 002 |
| Flow, total | 30-day average | ≤ 3 MGD | all year | 002 |
| LC50 Static 24Hr Acute Pimephales promelas | daily maximum | report only (pass=0;fail=1) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002A |
| Chloride [as Cl] | 30-day average | ≤ 230 mg/L | all year | 002A |
| Chloride [as Cl] | daily maximum | ≤ 230 mg/L | all year | 002A |
| Fluoride, total [as F] | 30-day average | ≤ 1800 ug/L | all year | 002A |
| Fluoride, total [as F] | daily maximum | ≤ 1800 ug/L | all year | 002A |
| Arsenic, total [as As] | 30-day average | ≤ 10 ug/L | all year | 002A |
| Arsenic, total [as As] | daily maximum | ≤ 340 ug/L | all year | 002A |
| Barium, total [as Ba] | 30-day average | ≤ 1 mg/L | all year | 002A |
| Barium, total [as Ba] | daily maximum | ≤ 1 mg/L | all year | 002A |
| Cadmium, total [as Cd] | 30-day average | ≤ .25 ug/L | all year | 002A |
| Cadmium, total [as Cd] | daily maximum | ≤ .75 ug/L | all year | 002A |
| Antimony, total [as Sb] | 30-day average | ≤ 5.6 ug/L | all year | 002A |
| Antimony, total [as Sb] | daily maximum | ≤ 5.6 ug/L | all year | 002A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002A |
| pH | daily minimum | ≥ 6 SU | all year | 008 |
| pH | daily maximum | ≤ 9 SU | all year | 008 |
| Chromium, total [as Cr] | 30-day average | ≤ .2 mg/L | all year | 008 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 008 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | 008 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Chlorine, free available | 30-day average | ≤ 200 ug/L | all year | 008 |
| Chlorine, free available | daily maximum | ≤ 500 ug/L | all year | 008 |
| Chlorination duration | daily maximum | ≤ 120 min | all year | 008 |
Cited limits by parameter: North Carolina's rules and the federal ones.
Same industry: the 20 Electric Services permits in North Carolina.
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Your permit document is the final word. As JSON: /api/v1/permits/NC0038377 · MCP: https://passage-data.com/mcp