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The Tides Utilities LLC

Sewerage Systems, Irvington, Virginia. NPDES permit VA0029351, in force until Mar 31, 2030. Last 12 months: no values over a limit, 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (21 values), form Q1 quarterly (1 value), form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 15 reports late

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 24 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 36 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 4500 g/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 6700 g/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 24 mg/Lall year
Solids, total suspendedweekly average≤ 36 mg/Lall year
Solids, total suspendedmonthly average≤ 4500 g/dall year
Solids, total suspendedweekly average≤ 6700 g/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .99 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 1.45 mg/Lall year
Copper, total recoverablemonthly average≤ 70 ug/Lall year
Copper, total recoverableweekly average≤ 70 ug/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .0495 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ 40 ug/Lall year
Chlorine, total residualweekly average≤ 45 ug/Lall year
Chlorine, total residualminimum≥ .6 mg/Lall year
Enterococcimonthly geometric mean≤ 35 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall 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/VA0029351 · MCP: https://passage-data.com/mcp