City of Chewelah

NPDES permit WA0023604 · Minor POTW · administratively continued, expires 2016-11-29 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 65 forms filed late

Last period with anything received: 2026-07-31.

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 (72)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Temperature, water deg. centigradeMO AVG 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 <= 20 mg/L (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 30 mg/L (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 10 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 124 lb/d (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 124 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 59 lb/d Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 186 lb/d (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 186 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 59 lb/d Jun, Jul, Aug, Sep, Oct
001Alkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
001Alkalinity, total [as CaCO3]MO AVG report only (alert) all year
001Solids, total suspendedMO AVG <= 15 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG <= 25 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG report only (alert) Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 124 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG report only (alert) Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 186 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 8.5 lb/d (alert) Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 8.5 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG report only (alert) Jan, Feb, Mar, Apr, May, Nov, Dec
001Phosphorus, total [as P]MAXIMUM report only (alert) all year
001Phosphorus, total [as P]MO AVG report only (alert) all year
001Chlorine, total residualMO AVG <= .01 ug/L all year
001pH, maximumDAILY MX <= 7.8 SU all year
001pH, minimumDAILY MN >= 6.5 SU all year
001Coliform, fecal generalMO AVG <= 100 #/100mL Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalMO AVG <= 200 #/100mL Jan, Feb, Mar, Apr, May, Nov, Dec
001Coliform, fecal generalWKLY AVG <= 200 #/100mL Jun, Jul, Aug, Sep, Oct
001Coliform, fecal generalWKLY AVG <= 400 #/100mL Jan, Feb, Mar, Apr, May, Nov, Dec
001FlowMAXIMUM <= 1.06 MGD Jun, Jul, Aug, Sep, Oct
001FlowMO AVG <= .71 MGD Jun, Jul, Aug, Sep, Oct
002FlowMAXIMUM report only (alert) all year
002FlowMO AVG report only (alert) all year
003Temperature, water deg. centigradeMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
003Oxygen, dissolved [DO]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
003pHMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
003Alkalinity, total [as CaCO3]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
003Phosphorus, total [as P]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
004Temperature, water deg. centigradeMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
004Oxygen, dissolved [DO]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
004pHMAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
004Alkalinity, total [as CaCO3]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
004Phosphorus, total [as P]MAXIMUM report only (alert) May, Jun, Jul, Aug, Sep, Oct
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
LA1Depth of pond or reservoir in feetMAXIMUM report only (alert) all year
LA1Depth of pond or reservoir in feetMO AVG report only (alert) all year
LA2Depth of pond or reservoir in feetMAXIMUM report only (alert) all year
LA2Depth of pond or reservoir in feetMO 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