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Grant PUD

Sewage treatment plant, Quincy, Washington. NPDES permit WA0991013, in force until Jan 31, 2031. Last 12 months: no values over a limit, 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (26 values), outfall IN1 form MM monthly (10 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademaximumreport only (deg C) (alert, not enforceable)all year001
Oxygen, dissolved [DO]minimumreport only (mg/L) (alert, not enforceable)all year001
Oxygen, dissolved [DO]monthly averagereport only (mg/L) (alert, not enforceable)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 15 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 23 lb/dall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 lb/dall year001
Solids, total suspendedweekly average≤ 23 lb/dall year001
Nitrogen, ammonia total [as N]maximumreport only (mg/L) (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L) (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]maximumreport only (lb/d) (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d) (alert, not enforceable)all year001
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all year001
Phosphorus, total [as P]maximumreport only (mg/L) (alert, not enforceable)all year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
E. colimaximumreport only (#/100mL) (alert, not enforceable)all year001
Coliform, fecal generalmonthly geometric mean≤ 100 MPN/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 200 MPN/100mLall year001
Flowmaximumreport only (gal/d) (alert, not enforceable)all year001
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmaximumreport only (mg/L) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN1
Flowmaximumreport only (gal/d) (alert, not enforceable)all yearIN1
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all yearIN1

How strict are these limits?

Cited limits by parameter: Washington'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/WA0991013 · MCP: https://passage-data.com/mcp