Duke Energy Progress LLC

NPDES permit NC0003425 · Major NON-POTW · effective, expires 2030-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
21required values missing, on 7 form(s)
9of 99 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (84)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil & Grease30DA AVG <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Arsenic, total [as As]30DA AVG <= 10 ug/L all year
001Arsenic, total [as As]DAILY MX <= 340 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total [as Hg]DAILY MX report only all year
002pHDAILY MX report only all year
002Solids, total suspended30DA AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Oil & Grease30DA AVG <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 20 mg/L all year
002Arsenic, total [as As]DAILY MX report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Molybdenum, total [as Mo]DAILY MX report only all year
002Antimony, total [as Sb]DAILY MX report only all year
002Selenium, total [as Se]DAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Mercury, total [as Hg]DAILY MX report only all year
002Flow, total30DA AVG <= 4 MGD all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Turbidity30DA AVG <= 50 NTU all year
003TurbidityDAILY MX <= 50 NTU all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, ammonia total [as N]30DA AVG <= 1 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L all year
003Phosphorus, total [as P]DAILY MX report only all year
003Arsenic, total [as As]DAILY MX report only all year
003Copper, total [as Cu]DAILY MX report only all year
003Selenium, total [as Se]DAILY MX report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY MX <= 28 ug/L all year
003Mercury, total [as Hg]DAILY MX report only all year
005Chromium, total [as Cr]30DA AVG <= 200 ug/L all year
005Chromium, total [as Cr]DAILY MX <= 200 ug/L all year
005Zinc, total [as Zn]30DA AVG <= 1 mg/L all year
005Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, total residualDAILY MX report only all year
005Chlorine, free available30DA AVG <= 200 ug/L all year
005Chlorine, free availableDAILY MX <= 500 ug/L all year
006pHDAILY MN >= 6 SU all year
006pHDAILY MX <= 9 SU all year
006Solids, total suspendedDAILY MX <= 50 mg/L all year
006Oil & GreaseDAILY MX <= 20 mg/L all year
006Selenium, total [as Se]DAILY MX report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
012ApHDAILY MX report only all year
012ASolids, total suspended30DA AVG <= 30 mg/L all year
012ASolids, total suspendedDAILY MX <= 100 mg/L all year
012AOil & Grease30DA AVG <= 15 mg/L all year
012AOil & GreaseDAILY MX <= 20 mg/L all year
012AArsenic, total [as As]DAILY MX report only all year
012ACopper, total [as Cu]DAILY MX report only all year
012AMolybdenum, total [as Mo]DAILY MX report only all year
012AAntimony, total [as Sb]DAILY MX report only all year
012ASelenium, total [as Se]DAILY MX report only all year
012AFlow, in conduit or thru treatment plantDAILY MX report only all year
012AMercury, total [as Hg]DAILY MX report only all year
012BSolids, total suspended30DA AVG <= 30 mg/L all year
012BSolids, total suspendedDAILY MX <= 100 mg/L all year
012BOil & Grease30DA AVG <= 15 mg/L all year
012BOil & GreaseDAILY MX <= 20 mg/L all year
012BNitrogen, ammonia total [as N]DAILY MX report only all year
012BFlow, in conduit or thru treatment plantDAILY MX report only all year
014pHDAILY MN >= 6 SU all year
014pHDAILY MX <= 9 SU all year
014Solids, total suspended30DA AVG <= 30 mg/L all year
014Solids, total suspendedDAILY MX <= 100 mg/L all year
014Oil & Grease30DA AVG <= 15 mg/L all year
014Oil & GreaseDAILY MX <= 20 mg/L all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states