Snoqualmie Pass Utility District

NPDES permit WA0991042 · Minor POTW · effective, expires 2029-06-30 · 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

0values over a limit
7required values missing, on 2 form(s)
0of 164 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 (276)

OutfallParameterStatisticLimitMonths
002BOD, 5-day, 20 deg. CSingle Rdg report only (alert) all year
002Solids, total suspendedSingle Rdg report only (alert) all year
002Nitrogen, ammonia total [as N]Single Rdg report only (alert) all year
002Nitrogen, nitrate total [as N]Single Rdg report only (alert) all year
002Phosphorus, total [as P]Single Rdg report only (alert) all year
002Coliform, fecal generalMO AVG <= 200 #/100mL all year
002Coliform, fecal generalWKLY AVG <= 400 #/100mL all year
002FlowMO AVG report only (alert) all year
002FlowMO TOTAL report only (alert) all year
EF00Temperature, water deg. centigradeMO AVG report only (alert) all year
EF00ConductivitySingle Rdg report only (alert) all year
EF00Oxygen, dissolved [DO]Single Rdg report only (alert) all year
EF00BOD, 5-day, 20 deg. CMO AVG <= 33 mg/L all year
EF00BOD, 5-day, dissolvedMO AVG report only (alert) all year
EF00pHMAXIMUM <= 9 SU all year
EF00pHMINIMUM >= 6 SU all year
EF00Alkalinity, total [as CaCO3]Single Rdg report only (alert) all year
EF00Solids, total suspendedMO AVG <= 18 mg/L all year
EF00Solids, total suspendedMO AVG report only (alert) all year
EF00Nitrogen, ammonia total [as N]Single Rdg report only (alert) all year
EF00Nitrogen, ammonia total [as N]Single Rdg report only (alert) all year
EF00Nitrogen, nitrate total [as N]Single Rdg report only (alert) all year
EF00Nitrogen, nitrate total [as N]Single Rdg report only (alert) all year
EF00Nitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
EF00Phosphorus, total [as P]Single Rdg report only (alert) all year
EF00Phosphorus, total [as P]Single Rdg report only (alert) all year
EF00Calcium, total [as Ca]Single Rdg report only (alert) all year
EF00Magnesium, total [as Mg]Single Rdg report only (alert) all year
EF00Sodium, total [as Na]Single Rdg report only (alert) all year
EF00Potassium, total [as K]Single Rdg report only (alert) all year
EF00Chloride [as Cl]Single Rdg report only (alert) all year
EF00Chloride [as Cl]Single Rdg report only (alert) all year
EF00Sulfate, total [as SO4]Single Rdg report only (alert) all year
EF00Chlorine, total residualMO AVG report only (alert) all year
EF00Chlorine, total residualMO AVG report only (alert) all year
EF00Coliform, fecal generalWK GEOMN <= 200 #/100mL all year
EF00FlowAVERAGE report only (alert) all year
EF00FlowMAXIMUM <= .368 MGD (alert) all year
EFFLTemperature, water deg. centigradeMAXIMUM report only (alert) all year
EFFLTemperature, water deg. centigradeMO AVG report only (alert) all year
EFFLOxygen, dissolved [DO]Single Rdg report only (alert) all year
EFFLBOD, 5-day, 20 deg. CMO AVG <= 30 mg/L (alert) Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLBOD, 5-day, 20 deg. CMO AVG <= 15 mg/L Jul, Aug, Sep
EFFLBOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L (alert) Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLBOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jul, Aug, Sep
EFFLBOD, 5-day, 20 deg. CMO AVG <= 125 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLBOD, 5-day, 20 deg. CMO AVG <= 63 lb/d Jul, Aug, Sep
EFFLBOD, 5-day, 20 deg. CWKLY AVG <= 188 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLBOD, 5-day, 20 deg. CWKLY AVG <= 188 lb/d Jul, Aug, Sep
EFFLpHMAXIMUM <= 9 SU all year
EFFLpHMINIMUM >= 6 SU all year
EFFLAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
EFFLSolids, total suspendedMO AVG <= 15 mg/L Jul, Aug, Sep
EFFLSolids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLSolids, total suspendedWKLY AVG <= 45 mg/L Jul, Aug, Sep
EFFLSolids, total suspendedWKLY AVG <= 45 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLSolids, total suspendedMO AVG <= 125 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLSolids, total suspendedMO AVG <= 63 lb/d Jul, Aug, Sep
EFFLSolids, total suspendedWKLY AVG <= 188 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLSolids, total suspendedWKLY AVG <= 188 lb/d Jul, Aug, Sep
EFFLNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
EFFLNitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jul, Aug, Sep
EFFLNitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLNitrogen, ammonia total [as N]MO AVG <= 42 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
EFFLNitrogen, ammonia total [as N]MO AVG <= 9 lb/d Jul, Aug, Sep
EFFLNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
EFFLNitrite + Nitrate total [as N]Single Rdg report only (alert) all year
EFFLPhosphorus, total [as P]Single Rdg report only (alert) all year
EFFLPhosphorus, dissolved reactive [drp as P]Single Rdg report only (alert) all year
EFFLHardness, total [as CaCO3]Single Rdg report only (alert) all year
EFFLOil & grease, non-polar materialSingle Rdg report only (alert) all year
EFFLSolids, total dissolvedSingle Rdg report only (alert) all year
EFFLColiform, fecal generalSingle Rdg report only (alert) all year
EFFLColiform, fecal generalMO GEOMN <= 200 #/100mL all year
EFFLColiform, fecal generalWK GEOMN <= 400 #/100mL all year
EFFLFlowMO AVG report only (alert) all year
EFFLFlowMO TOTAL report only (alert) all year
GWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
GWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
GWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
GWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
GWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
GWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
GWMpHSingle Rdg report only (alert) all year
GWMpHSingle Rdg report only (alert) all year
GWMpHSingle Rdg report only (alert) all year
GWMpHSingle Rdg report only (alert) all year
GWMpHSingle Rdg report only (alert) all year
GWMpHSingle Rdg report only (alert) all year
GWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
GWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
GWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
GWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
GWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
GWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
GWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
GWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
GWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
GWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
GWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
GWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
GWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
GWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
GWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
GWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
GWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
GWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
GWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
GWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
GWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
GWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
GWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
GWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
GWMPhosphorus, total [as P]Single Rdg report only (alert) all year
GWMPhosphorus, total [as P]Single Rdg report only (alert) all year
GWMPhosphorus, total [as P]Single Rdg report only (alert) all year
GWMPhosphorus, total [as P]Single Rdg report only (alert) all year
GWMPhosphorus, total [as P]Single Rdg report only (alert) all year
GWMPhosphorus, total [as P]Single Rdg report only (alert) all year
GWMCalcium, total [as Ca]Single Rdg report only (alert) all year
GWMCalcium, total [as Ca]Single Rdg report only (alert) all year
GWMCalcium, total [as Ca]Single Rdg report only (alert) all year
GWMCalcium, total [as Ca]Single Rdg report only (alert) all year
GWMCalcium, total [as Ca]Single Rdg report only (alert) all year
GWMCalcium, total [as Ca]Single Rdg report only (alert) all year
GWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
GWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
GWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
GWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
GWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
GWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
GWMSodium, total [as Na]Single Rdg report only (alert) all year
GWMSodium, total [as Na]Single Rdg report only (alert) all year
GWMSodium, total [as Na]Single Rdg report only (alert) all year
GWMSodium, total [as Na]Single Rdg report only (alert) all year
GWMSodium, total [as Na]Single Rdg report only (alert) all year
GWMSodium, total [as Na]Single Rdg report only (alert) all year
GWMPotassium, total [as K]Single Rdg report only (alert) all year
GWMPotassium, total [as K]Single Rdg report only (alert) all year
GWMPotassium, total [as K]Single Rdg report only (alert) all year
GWMPotassium, total [as K]Single Rdg report only (alert) all year
GWMPotassium, total [as K]Single Rdg report only (alert) all year
GWMPotassium, total [as K]Single Rdg report only (alert) all year
GWMChloride [as Cl]Single Rdg report only (alert) all year
GWMChloride [as Cl]Single Rdg report only (alert) all year
GWMChloride [as Cl]Single Rdg report only (alert) all year
GWMChloride [as Cl]Single Rdg report only (alert) all year
GWMChloride [as Cl]Single Rdg report only (alert) all year
GWMChloride [as Cl]Single Rdg report only (alert) all year
GWMSulfate, total [as SO4]Single Rdg report only (alert) all year
GWMSulfate, total [as SO4]Single Rdg report only (alert) all year
GWMSulfate, total [as SO4]Single Rdg report only (alert) all year
GWMSulfate, total [as SO4]Single Rdg report only (alert) all year
GWMSulfate, total [as SO4]Single Rdg report only (alert) all year
GWMSulfate, total [as SO4]Single Rdg report only (alert) all year
IN00Temperature, water deg. centigradeAVERAGE report only (alert) all year
IN00Oxygen, dissolved [DO]MO AVG report only (alert) all year
IN00BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
IN00BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
IN00pHMO AVG report only (alert) all year
IN00Solids, total suspendedMO AVG report only (alert) all year
IN00Solids, total suspendedMO AVG report only (alert) all year
IN00Oil and grease [soxhlet extr.] tot.Single Rdg report only (alert) all year
IN00Nitrogen, ammonia total [as N]Single Rdg report only (alert) all year
IN00Nitrogen, nitrate total [as N]Single Rdg report only (alert) all year
IN00Nitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
IN00FlowMO AVG report only (alert) all year
IN00BOD, carbonaceous [5 day, 20 C]Single Rdg report only (alert) all year
IN00Chemical oxygen demand [COD]Single Rdg report only (alert) all year
INFLBOD, 5-day, 20 deg. CMO AVG report only (alert) all year
INFLBOD, 5-day, 20 deg. CWKLY AVG report only (alert) all year
INFLBOD, 5-day, 20 deg. CMO AVG report only (alert) all year
INFLBOD, 5-day, 20 deg. CWKLY AVG report only (alert) all year
INFLSolids, total suspendedMO AVG report only (alert) all year
INFLSolids, total suspendedWKLY AVG report only (alert) all year
INFLSolids, total suspendedMO AVG report only (alert) all year
INFLSolids, total suspendedWKLY AVG report only (alert) all year
SWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
SWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
SWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
SWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
SWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
SWMTemperature, water deg. centigradeSingle Rdg report only (alert) all year
SWMpHSingle Rdg report only (alert) all year
SWMpHSingle Rdg report only (alert) all year
SWMpHSingle Rdg report only (alert) all year
SWMpHSingle Rdg report only (alert) all year
SWMpHSingle Rdg report only (alert) all year
SWMpHSingle Rdg report only (alert) all year
SWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
SWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
SWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
SWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
SWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
SWMAlkalinity, total [as CaCO3]Single Rdg report only (alert) all year
SWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
SWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
SWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
SWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
SWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
SWMNitrogen, ammonia total [as N]Single Rdg report only (alert) all year
SWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
SWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
SWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
SWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
SWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
SWMNitrogen, nitrate total [as N]Single Rdg report only (alert) all year
SWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
SWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
SWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
SWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
SWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
SWMNitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
SWMPhosphorus, total [as P]Single Rdg report only (alert) all year
SWMPhosphorus, total [as P]Single Rdg report only (alert) all year
SWMPhosphorus, total [as P]Single Rdg report only (alert) all year
SWMPhosphorus, total [as P]Single Rdg report only (alert) all year
SWMPhosphorus, total [as P]Single Rdg report only (alert) all year
SWMPhosphorus, total [as P]Single Rdg report only (alert) all year
SWMCalcium, total [as Ca]Single Rdg report only (alert) all year
SWMCalcium, total [as Ca]Single Rdg report only (alert) all year
SWMCalcium, total [as Ca]Single Rdg report only (alert) all year
SWMCalcium, total [as Ca]Single Rdg report only (alert) all year
SWMCalcium, total [as Ca]Single Rdg report only (alert) all year
SWMCalcium, total [as Ca]Single Rdg report only (alert) all year
SWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
SWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
SWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
SWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
SWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
SWMMagnesium, total [as Mg]Single Rdg report only (alert) all year
SWMSodium, total [as Na]Single Rdg report only (alert) all year
SWMSodium, total [as Na]Single Rdg report only (alert) all year
SWMSodium, total [as Na]Single Rdg report only (alert) all year
SWMSodium, total [as Na]Single Rdg report only (alert) all year
SWMSodium, total [as Na]Single Rdg report only (alert) all year
SWMSodium, total [as Na]Single Rdg report only (alert) all year
SWMPotassium, total [as K]Single Rdg report only (alert) all year
SWMPotassium, total [as K]Single Rdg report only (alert) all year
SWMPotassium, total [as K]Single Rdg report only (alert) all year
SWMPotassium, total [as K]Single Rdg report only (alert) all year
SWMPotassium, total [as K]Single Rdg report only (alert) all year
SWMPotassium, total [as K]Single Rdg report only (alert) all year
SWMChloride [as Cl]Single Rdg report only (alert) all year
SWMChloride [as Cl]Single Rdg report only (alert) all year
SWMChloride [as Cl]Single Rdg report only (alert) all year
SWMChloride [as Cl]Single Rdg report only (alert) all year
SWMChloride [as Cl]Single Rdg report only (alert) all year
SWMChloride [as Cl]Single Rdg report only (alert) all year
SWMSulfate, total [as SO4]Single Rdg report only (alert) all year
SWMSulfate, total [as SO4]Single Rdg report only (alert) all year
SWMSulfate, total [as SO4]Single Rdg report only (alert) all year
SWMSulfate, total [as SO4]Single Rdg report only (alert) all year
SWMSulfate, total [as SO4]Single Rdg report only (alert) all year
SWMSulfate, total [as SO4]Single Rdg report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowAVERAGE report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONEFlowMO TOTAL report only (alert) all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year
ZONESpray irrigation, application rateWKLY MAX <= 2 in/d all year

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