Town of Spangle

NPDES permit WA0991010 · Minor POTW · effective, expires 2030-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

7values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

Last period with anything received: 2026-08-31. Most often over: pH, maximum (6), pH, minimum (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (29)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Oxygen, dissolved [DO]MINIMUM report only (alert) all year
001Oxygen, dissolved [DO]MO AVG report only (alert) all year
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 15 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 5.7 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 8.5 lb/d all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedWKLY AVG <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 8.5 lb/d all year
001Solids, total suspendedWKLY AVG <= 12.8 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.5 mg/L all year
001Phosphorus, total [as P]MAXIMUM <= 10.8 mg/L all year
001Phosphorus, total [as P]MO AVG <= 5.7 mg/L all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001E. coliMAXIMUM report only (alert) all year
001Number of operating tubesMAXIMUM report only (alert) all year
001pH, maximumMAXIMUM <= 8.5 SU all year
001pH, minimumMINIMUM >= 6.5 SU all year
001Coliform, fecal generalMO GEOMN <= 100 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 200 #/100mL all year
001FlowMAXIMUM report only (alert) all year
001FlowMO AVG report only (alert) all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
IN1BOD, 5-day, 20 deg. CWKLY AVG report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Solids, total suspendedWKLY AVG report only (alert) all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states