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Henrico County Department of Public Utilities

Sewage treatment plant, major discharger, Henrico, Virginia. NPDES permit VA0063690, in force until Apr 30, 2028. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form O monthly (21 values), form A1 yearly, form B yearly
Renewal application due
Nov 2, 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, 3 of 14 reports late

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

Period endingParameterReportedLimitOver by
March 2026Chlorine, total residual, daily minimum.04≥ .6 mg/L93%

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5.6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 8 mg/Lall year
Solids, total suspendedweekly average≤ 12 mg/Lall year
Solids, total suspendedmonthly average≤ 2300 kg/dall year
Solids, total suspendedweekly average≤ 3400 kg/dall year
Solids, total suspendedweekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 5.6 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.84 mg/LJun–Oct
Nitrogen, ammonia total [as N]weekly average≤ 8.4 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 5.76 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1589 kg/dJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1090 kg/dJun–Oct
Nitrogen, ammonia total [as N]weekly average≤ 2385 kg/dJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 1635 kg/dJun–Oct
Flow, in conduit or thru treatment plantmonthly average≤ 75 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ 24.8 ug/Lall year
Chlorine, total residualweekly average≤ 26.3 ug/Lall year
Chlorine, total residualdaily minimum≥ .6 mg/Lall year
E. coligeometric mean≤ 126 #/100mLall year
Nitrogen, Total As Nannual average≤ 5 mg/Lall year
Phosphorus, Total As Pannual average≤ .5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 11 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 7 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2157 kg/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1361 kg/dJun–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 3236 kg/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2044 kg/dJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year

How strict are these limits?

Cited limits by parameter: Virginia'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/VA0063690 · MCP: https://passage-data.com/mcp