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Dare County

Sewage treatment plant, Stumpy Point, North Carolina. NPDES permit NC0088391, in force until Dec 31, 2027. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (19 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 15 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
June 2026Nitrogen, ammonia total [as N], 30-day average4.3055 mg/L≤ 2 mg/L115%
June 2026Nitrogen, ammonia total [as N], 7-day average25.0333 mg/L≤ 6 mg/L317%

Limits in force (23)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Temperature, water deg. centigradedaily maximumreport only (deg C)Jun–Sep
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Oxygen, dissolved [DO]daily maximumreport only (mg/L)Jun–Sep
BOD, 5-day, 20 deg. C7-day average≤ 7.5 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6.8 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspended7-day average≤ 30 mg/Lall year
Solids, total suspended30-day average≤ 20 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/Lall year
Flow, in conduit or thru treatment plant30-day average≤ .05 MGDall year
Enterococciweekly geometric mean≤ 276 CFU/100mLall year
Enterococcimonthly geometric mean≤ 35 CFU/100mLall year

How strict are these limits?

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

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0088391 · MCP: https://passage-data.com/mcp