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Monterey Town

Sewage treatment plant, Monterey, Virginia. NPDES permit VA0023281, in force until Aug 31, 2027. Last 12 months: over a limit 6 times (last July 2026), 1 required value missing, 2 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (18 values), form S1 twice a year
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 4 of 14 reports late

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

Period endingParameterReportedLimitOver by
February 2026Oxygen, dissolved [DO], minimum3.6≥ 5 mg/L28%
February 2026pH, minimum5.7≥ 6 SU—
March 2026pH, maximum9.96≤ 9 SU—
April 2026Nitrogen, ammonia total [as N], maximum weekly average19.1≤ 16 mg/L19%
April 2026Oxygen, dissolved [DO], minimum4.9≥ 5 mg/L2%
July 2026pH, minimum5.59≥ 6 SU—

Limits in force (26)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 11 kg/dall year
Solids, total suspendedmaximum weekly average≤ 17 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 11 mg/LJan–May
Nitrogen, ammonia total [as N]monthly average≤ 7.3 mg/LJun–Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 16 mg/LJan–May
Nitrogen, ammonia total [as N]maximum weekly average≤ 11 mg/LJun–Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.9 kg/dJan–May
Nitrogen, ammonia total [as N]monthly average≤ 1.6 kg/dJun–Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 4.4 kg/dJan–May
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 kg/dJun–Dec
Flow, in conduit or thru treatment plantmonthly average≤ .1 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/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9.5 kg/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 kg/dall year
BOD, carbonaceous [5 day, 20 C]maximum 7-day geometric meanreport 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/VA0023281 · MCP: https://passage-data.com/mcp