Town of Colton

NPDES permit WA0023175 · Minor POTW · administratively continued, expires 2020-05-31 · 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.

This permit expired on 2020-05-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

28values over a limit
0required values missing, on 0 form(s)
0of 35 forms filed late

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (11), BOD, 5-day, 20 deg. C (5), BOD, percent removal [total] (4).

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 (104)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 65 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 65 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 45 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 45 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 65 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 65 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001pHDAILY MN >= 6.5 SU Jan, Feb, Mar, Apr, Nov, Dec
001pHDAILY MN >= 6.5 SU Jan, Feb, Mar, Apr, Nov, Dec
001pHMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001pHMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001pHDAILY MX <= 8.5 SU Jan, Feb, Mar, Apr, Nov, Dec
001pHDAILY MX <= 8.5 SU Jan, Feb, Mar, Apr, Nov, Dec
001pHMINIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001pHMINIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 65 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY AVG <= 65 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 47 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 47 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 68 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY AVG <= 68 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
001Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
001Chlorine, total residualMO AVG <= .5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Chlorine, total residualMO AVG <= .5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Chlorine, total residualMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, percent removal [total]MO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, percent removal [total]MO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001BOD, percent removal [total]MO AV MN >= 65 % Jan, Feb, Mar, Apr, Nov, Dec
001BOD, percent removal [total]MO AV MN >= 65 % Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, fecal generalMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalMAXIMUM <= 200 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, fecal generalMAXIMUM <= 200 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, fecal generalMO GEOMN report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalMO GEOMN report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalMO GEOMN <= 100 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Coliform, fecal generalMO GEOMN <= 100 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001FlowMAXIMUM report only all year
001FlowMO AVG report only all year
001Solids, suspended percent removalMO AV MN >= 65 % Jan, Feb, Mar, Apr, Nov, Dec
001Solids, suspended percent removalMO AV MN >= 65 % Jan, Feb, Mar, Apr, Nov, Dec
001Solids, suspended percent removalMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001Solids, suspended percent removalMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
001WChlorine, total residualWKLY AVG <= .75 mg/L all year
001WChlorine, total residualWKLY AVG <= .75 mg/L all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMAXIMUM report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMO AVG report only (alert) Jan, Feb, Mar, Apr, Nov, Dec
IN1Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1Solids, total suspendedMO AVG report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMO AVG report only (alert) all year
IN1FlowMO 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