Passage Data · Check a report · Use it from your AI

Harrah, Town of

Sewage treatment plant, Harrah, Washington. NPDES permit WA0022705, in force until May 31, 2030. Last 12 months: no values over a limit, 11 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (28 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 19 of 20 reports late

Limits in force (34)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Flow ratemonthly average≤ .055 MGDall year
Flow rateweekly average≤ .083 MGDall year
Oxygen, dissolved [DO]monthly averagereport only (mg/L)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 13.76 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 20.64 lb/dall year
pHinstantaneous minimum≥ 6.5 SUMar–Nov
pHinstantaneous minimum≥ 6.5 SUJan, Feb, Dec
pHinstantaneous maximum≤ 9 SUMar–Nov
pHinstantaneous maximum≤ 8.5 SUJan, Feb, Dec
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 13.76 lb/dall year
Solids, total suspendedweekly average≤ 20.64 lb/dall year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.93 mg/LMar–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.73 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 4.83 mg/LMar–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 3.25 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]monthly average≤ .885 lb/dMar–Nov
Nitrogen, ammonia total [as N]monthly average≤ .794 lb/dJan, Feb, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2.22 lb/dMar–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 1.49 lb/dJan, Feb, Dec
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
E. coli, MTEC-MFgeometric mean≤ 100 CFU/100mLall year
E. coli, MTEC-MFinstantaneous maximum≤ 200 CFU/100mLall year
BOD, 5-day, 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: Washington's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WA0022705 · MCP: https://passage-data.com/mcp