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Dare County

Water Supply, Stumpy Point, North Carolina. NPDES permit NC0086932 expired Sep 30, 2023; its limits still apply. Last 12 months: no values over a limit, 19 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: outfall 001 form M monthly (10 values), outfall 00B form M monthly (2 values), outfall 0M1 form M monthly (2 values), outfall 0M2 form M monthly (2 values), outfall 0M3 form M monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 26 required values missing, 0 of 60 reports late

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
Conductivitydaily maximumreport only (umho/cm)all year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6.8 SUall year001
pHdaily maximum≤ 8.5 SUall year001
Salinitydaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]30-day average≤ 1.85 ug/Lall year001
Copper, total [as Cu]daily maximum≤ 2.9 ug/Lall year001
Salinity [PSU]daily maximumreport only (PSU)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 13 ug/Lall year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year00B
Salinity [PSU]daily maximumreport only (PSU)all year00B
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year0M1
Salinity [PSU]daily maximumreport only (PSU)all year0M1
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year0M2
Salinity [PSU]daily maximumreport only (PSU)all year0M2
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year0M3
Salinity [PSU]daily maximumreport only (PSU)all year0M3

How strict are these limits?

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

Same industry: the 130 Water Supply 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/NC0086932 · MCP: https://passage-data.com/mcp