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Water Quality Utilities Inc

Sewerage Systems, Banner Elk, North Carolina. NPDES permit NC0050610, in force until Sep 30, 2027. Last 12 months: over a limit 9 times (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (18 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
47 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, 30-day average67.1 mg/L≤ 5 mg/L1242%
October 2025BOD, 5-day, 20 deg. C, daily maximum132 mg/L≤ 7.5 mg/L1660%
October 2025Nitrogen, ammonia total [as N], 30-day average14.98 mg/L≤ 2 mg/L649%
October 2025Nitrogen, ammonia total [as N], daily maximum38.8 mg/L≤ 10 mg/L288%
October 2025Solids, total suspended, 30-day average15.4 mg/L≤ 10 mg/L54%
October 2025Solids, total suspended, daily maximum31 mg/L≤ 15 mg/L107%
November 2025BOD, 5-day, 20 deg. C, 30-day average14.8 mg/L≤ 10 mg/L48%
November 2025BOD, 5-day, 20 deg. C, daily maximum30.4 mg/L≤ 15 mg/L103%
November 2025Solids, total suspended, daily maximum19 mg/L≤ 15 mg/L27%

Limits in force (22)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Turbiditydaily maximumreport only (NTU)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/LApr–Oct
BOD, 5-day, 20 deg. C30-day average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 7.5 mg/LApr–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/LJan, Feb, Mar, Nov, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 400 #/100mLall year
Flow, in conduit or thru treatment plant30-day average≤ .076 MGDall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0050610 · MCP: https://passage-data.com/mcp