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Duke Energy Progress LLC

Electric Services, major discharger, Wilmington, North Carolina. NPDES permit NC0001422, in force until Mar 31, 2028. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: outfall 001 form M monthly (22 values), outfall 008 form M monthly (12 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 0 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimit
April 2026pH, daily maximum9.6 SU≤ 9 SU
May 2026pH, daily maximum9.4 SU≤ 9 SU

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Turbiditydaily maximumreport only (NTU)all year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 100 mg/Lall year001
Oil & Grease30-day average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 20 mg/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (ug/L)all year001
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Lead, total [as Pb]daily maximumreport only (ug/L)all year001
Nickel, total [as Ni]daily maximumreport only (ug/L)all year001
Zinc, total [as Zn]daily maximumreport only (ug/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (ug/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year008
Temperature, water deg. centigrade30-day average≤ 43 deg Call year008
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year008
pHdaily minimum≥ 6 SUall year008
pHdaily maximum≤ 9 SUall year008
Solids, total suspended30-day average≤ 30 mg/Lall year008
Solids, total suspendeddaily maximum≤ 100 mg/Lall year008
Oil & Grease30-day average≤ 15 mg/Lall year008
Oil & Greasedaily maximum≤ 20 mg/Lall year008
Nitrogen, total [as N]daily maximumreport only (mg/L)all year008
Phosphorus, total [as P]daily maximumreport only (mg/L)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008

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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0001422 · MCP: https://passage-data.com/mcp