Passage Data · Check a report · Use it from your AI

Duke Energy Carolinas LLC

Electric Services, major discharger, Salisbury, North Carolina. NPDES permit NC0004774, in force until Apr 30, 2030. Last 12 months: no values over a limit, 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: outfall 001A form M monthly (14 values), outfall 007 form M monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 19 required values missing, 0 of 35 reports late

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximum≤ 35 deg Call year001A
Temperature, water deg. centigradedaily maximum≤ 32 deg Call year001A
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001A
pHdaily minimum≥ 6 SUall year001A
pHdaily maximum≤ 9 SUall year001A
Solids, total suspended30-day average≤ 23 mg/Lall year001A
Solids, total suspendeddaily maximum≤ 74 mg/Lall year001A
Oil & Grease30-day average≤ 11 mg/Lall year001A
Oil & Greasedaily maximum≤ 15 mg/Lall year001A
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001A
Chlorine, total residualdaily maximum≤ 28 ug/Lall year001A
Chlorine, free available30-day average≤ 200 ug/Lall year001A
Chlorine, free availabledaily maximum≤ 500 ug/Lall year001A
Turbiditydaily maximumreport only (NTU)all year007
pHdaily minimum≥ 6 SUall year007
pHdaily maximum≤ 9 SUall year007
Solids, total suspended30-day average≤ 23 mg/Lall year007
Solids, total suspendeddaily maximum≤ 74 mg/Lall year007
Oil & Grease30-day average≤ 11 mg/Lall year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Nitrogen, total [as N]daily maximumreport only (mg/L)all year007
Phosphorus, total [as P]daily maximumreport only (mg/L)all year007
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year007
Arsenic, total [as As]daily maximumreport only (ug/L)all year007
Selenium, total [as Se]daily maximumreport only (ug/L)all year007
Flow, in conduit or thru treatment plant30-day average≤ 1.2 MGDall year007
Solids, total dissolveddaily maximumreport only (mg/L)all year007
Mercury, total [as Hg]daily maximumreport only (ng/L)all year007
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (pass=0;fail=1)all year007

How strict are these limits?

Cited limits by parameter: North Carolina's rules and the federal ones.

Same industry: the 20 Electric Services permits in North Carolina.

Check this month's numbers Email me before each report is due

· 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/NC0004774 · MCP: https://passage-data.com/mcp