Liberty Lake Sewer & Water District

NPDES permit WA0045144 · Major POTW · effective, expires 2027-07-31 · EPA's file as of 2026-09-19

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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

8values over a limit
114required values missing, on 13 form(s)
0of 84 forms filed late

Last period with anything received: 2026-08-31. Most often over: Oxygen, dissolved [DO] (8).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (82)

OutfallParameterStatisticLimitMonths
0000Temperature, water deg. centigradeMAXIMUM report only (alert) Jun, Jul, Aug, Sep, Oct
0000Temperature, water deg. centigradeMO AVG report only (alert) Jun, Jul, Aug, Sep, Oct
0001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
0002Oxygen, dissolved [DO]MINIMUM report only (alert) all year
0002Oxygen, dissolved [DO]MO AVG report only (alert) all year
0002pHMAXIMUM report only (alert) all year
0002pHMINIMUM report only (alert) all year
0002Alkalinity, total [as CaCO3]Single Rdg report only (alert) all year
0003BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
0003BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
0003Nitrogen, total [as N]MAXIMUM report only (alert) all year
0003Nitrogen, total [as N]MO AVG report only (alert) all year
0004Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Oxygen, dissolved [DO]MO AVG <= 6.1 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 5 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 7 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 83.4 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 116.8 lb/d all year
001Alkalinity, total [as CaCO3]Single Rdg report only (alert) all year
001Solids, total suspendedMO AVG <= 5 mg/L all year
001Solids, total suspendedWKLY AVG <= 7 mg/L all year
001Solids, total suspendedMO AVG <= 83.4 lb/d all year
001Solids, total suspendedWKLY AVG <= 116.8 lb/d all year
001Solids, total suspendedMO AVG <= 83.4 lb/d 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]MAXIMUM report only (alert) Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Mar, Apr, May
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Oct
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG report only (alert) Jan, Feb, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG report only (alert) Mar, Apr, May
001Nitrogen, ammonia total [as N]MO AVG report only (alert) Oct
001Nitrogen, ammonia total [as N]MO AVG report only (alert) Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]NA <= 11.8 lb/d Mar, Apr, May
001Nitrogen, ammonia total [as N]NA <= 3 lb/d Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]NA <= 11.8 lb/d Oct
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
001Nitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
001Phosphorus, total [as P]MAXIMUM report only (alert) all year
001Phosphorus, total [as P]MO AVG report only (alert) all year
001Phosphorus, total [as P]MAXIMUM report only (alert) Jan, Feb, Nov, Dec
001Phosphorus, total [as P]MAXIMUM report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only (alert) Jan, Feb, Nov, Dec
001Phosphorus, total [as P]MO AVG report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]NA <= .45 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, dissolved reactive [drp as P]MAXIMUM report only (alert) all year
001Hardness, total [as CaCO3]Single Rdg report only (alert) all year
001Lead, total [as Pb]MO AVG <= 1.6 ug/L all year
001Zinc, total [as Zn]MO AVG <= 83.5 ug/L all year
001Cadmium, total recoverableMAXIMUM <= 1.65 ug/L all year
001Cadmium, total recoverableMO AVG <= .89 ug/L all year
001Polychlorinated biphenyls [PCBs]MAXIMUM <= 341 pg/L all year
001Polychlorinated biphenyls [PCBs]MO AVG <= 170 pg/L all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001pH, maximumDAILY MX <= 8.5 SU all year
001pH, minimumDAILY MN >= 6.8 SU all year
001Coliform, fecal generalMO GEOMN <= 18 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 27 #/100mL all year
001FlowMAXIMUM report only (alert) all year
001FlowMO AVG report only (alert) all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Solids, suspended percent removalMO AV MN >= 85 % 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
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
IN1Polybrominated Diphenyl EthersSingle Rdg report only (alert) all year
IN1Polychlorinated biphenyls [PCBs]Single Rdg report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMO AVG report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MO 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