Western Sugar Cooperative

NPDES permit WY0000418 · Major NON-POTW · effective, expires 2027-08-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 104 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (98)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 26 deg C all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Oct, Nov, Dec
001E. coliMO AVG <= 126 MPN/100mL Apr, May, Jun, Jul, Aug, Sep
001E. coliMO AVG <= 630 MPN/100mL Jan, Feb, Mar, Oct, Nov, Dec
001E. coliDAILY MX <= 235 MPN/100mL Apr, May, Jun, Jul, Aug, Sep
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubia4C <= 0 pass=0;fail=1 all year
001Pass/Fail Static 96 Hr Acute Pimephales Promelas9D <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7E <= 0 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7E <= 0 pass=0;fail=1 all year
002Temperature, water deg. centigradeDAILY MX <= 26 deg C all year
002Temperature, water deg. centigradeMO AVG report only all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedMO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002E. coliMO AVG <= 126 MPN/100mL Apr, May, Jun, Jul, Aug, Sep
002E. coliDAILY MX <= 630 MPN/100mL Jan, Feb, Mar, Oct, Nov, Dec
002E. coliDAILY MX <= 235 MPN/100mL Apr, May, Jun, Jul, Aug, Sep
002E. coliMO AVG <= 630 MPN/100mL Jan, Feb, Mar, Oct, Nov, Dec
002FlowMO AVG report only all year
002FlowDAILY MX report only all year
002Pass/Fail Static 48Hr Acute Ceriodaphnia dubia4C <= 0 pass=0;fail=1 all year
002Pass/Fail Static 96 Hr Acute Pimephales Promelas9D <= 0 pass=0;fail=1 all year
002Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7E <= 0 pass=0;fail=1 all year
002Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7E <= 0 pass=0;fail=1 all year
DSR1Temperature, water deg. centigradeMO AVG report only all year
DSR1Temperature, water deg. centigradeDAILY MX report only all year
DSR1Temperature, water deg. centigradeMO AVG report only all year
DSR1Temperature, water deg. centigradeDAILY MX report only all year
DSR1BOD, 5-day, 20 deg. CMO AVG report only all year
DSR1BOD, 5-day, 20 deg. CDAILY MX report only all year
DSR1pHDAILY MX report only all year
DSR1pHDAILY MN report only all year
DSR1Solids, total suspendedMO AVG report only all year
DSR1Solids, total suspendedDAILY MX report only all year
DSR1Nitrogen, ammonia total [as N]MO AVG report only all year
DSR1Nitrogen, ammonia total [as N]DAILY MX report only all year
INTKFlowDAILY MX report only all year
INTKFlowMO AVG report only all year
SUMBOD, 5-day, 20 deg. CMO AVG <= 1980 lb/d all year
SUMBOD, 5-day, 20 deg. CDAILY MX <= 2970 lb/d all year
SUMSolids, total suspendedMO AVG <= 1980 lb/d all year
SUMSolids, total suspendedDAILY MX <= 2970 lb/d all year
SUMNitrogen, ammonia total [as N]DAILY MX <= 3107.3 lb/d all year
SUMNitrogen, ammonia total [as N]MO AVG report only all year
SUMFlowMO AVG <= 6.3 MGD Jan, Feb, Mar, Aug, Sep, Oct, Nov, Dec
SUMFlowDAILY MX report only Jan, Feb, Mar, Aug, Sep, Oct, Nov, Dec
UET1Temperature, water deg. centigradeDAILY MX report only all year
UET1Temperature, water deg. centigradeMO AVG report only all year
UET1pHDAILY MX report only all year
UET1pHDAILY MN report only all year
UET1Nitrogen, Ammonia TotalDAILY MX report only all year
UET1Nitrogen, Ammonia TotalMO AVG report only all year
USR1Temperature, water deg. centigradeMO AVG report only all year
USR1Temperature, water deg. centigradeDAILY MX report only all year
USR1Temperature, water deg. centigradeMO AVG report only all year
USR1Temperature, water deg. centigradeDAILY MX report only all year
USR1BOD, 5-day, 20 deg. CMO AVG report only all year
USR1BOD, 5-day, 20 deg. CDAILY MX report only all year
USR1BOD, 5-day, 20 deg. CMO AVG report only all year
USR1BOD, 5-day, 20 deg. CDAILY MX report only all year
USR1pHDAILY MX report only all year
USR1pHDAILY MN report only all year
USR1Solids, total suspendedMO AVG report only all year
USR1Solids, total suspendedDAILY MX report only all year
USR1Solids, total suspendedMO AVG report only all year
USR1Solids, total suspendedDAILY MX report only all year
USR1Nitrogen, ammonia total [as N]MO AVG report only all year
USR1Nitrogen, ammonia total [as N]DAILY MX report only all year
USR1FlowMO AVG report only all year
USR1FlowDAILY MX report only all year
USR1FlowDAILY MN report only 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