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Hillsville Town

Sewage treatment plant, major discharger, Hillsville, Virginia. NPDES permit VA0089443, in force until Oct 31, 2030. Last 12 months: over a limit 3 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (19 values), form Q1 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 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
March 2026Solids, total suspended, monthly average30.1≤ 30 mg/L0%
March 2026Solids, total suspended, weekly average53.2≤ 45 mg/L18%
May 2026Solids, total suspended, monthly average34.6≤ 30 mg/L15%

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 140 kg/dall year
Solids, total suspendedweekly average≤ 210 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 9 mg/LJan–May
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LJun–Dec
Nitrogen, ammonia total [as N]weekly average≤ 9 mg/LJan–May
Nitrogen, ammonia total [as N]weekly average≤ 4.3 mg/LJun–Dec
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Hardness, total [as CaCO3]weekly averagereport only (mg/L)all year
Copper, dissolved [as Cu]monthly average≤ 13 ug/Lall year
Copper, dissolved [as Cu]monthly averagereport only (ug/L)all year
Copper, dissolved [as Cu]weekly average≤ 13 ug/Lall year
Copper, dissolved [as Cu]weekly averagereport only (ug/L)all year
Copper, dissolved [as Cu]monthly averagereport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.25 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan–May
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJun–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 38 mg/LJan–May
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJun–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 120 kg/dJan–May
BOD, carbonaceous [5 day, 20 C]monthly average≤ 95 kg/dJun–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 180 kg/dJan–May
BOD, carbonaceous [5 day, 20 C]weekly average≤ 140 kg/dJun–Dec
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Virginia'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/VA0089443 · MCP: https://passage-data.com/mcp