VALERO RENEWABLE FUELS COMPANY, D/B/A VALERO LAKOTA PLANT

NPDES permit IA0077194 · Minor NON-POTW · effective, expires 2030-07-31 · 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

1values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (1).

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 (86)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheit30DA AVG <= 82.9 deg F Apr
001Temperature, water deg. fahrenheit30DA AVG <= 90.3 deg F Sep
001Temperature, water deg. fahrenheit30DA AVG <= 94.3 deg F Oct
001Temperature, water deg. fahrenheit30DA AVG <= 71.1 deg F Jan
001Temperature, water deg. fahrenheit30DA AVG <= 80.9 deg F Nov
001Temperature, water deg. fahrenheit30DA AVG <= 90.2 deg F Aug
001Temperature, water deg. fahrenheit30DA AVG <= 80.7 deg F Feb
001Temperature, water deg. fahrenheit30DA AVG <= 87.8 deg F Mar
001Temperature, water deg. fahrenheit30DA AVG <= 90.4 deg F Jun
001Temperature, water deg. fahrenheit30DA AVG <= 71.8 deg F Dec
001Temperature, water deg. fahrenheit30DA AVG <= 85.4 deg F May
001Temperature, water deg. fahrenheit30DA AVG <= 90.2 deg F Jul
001Temperature, water deg. fahrenheitDAILY MX <= 90.7 deg F Apr
001Temperature, water deg. fahrenheitDAILY MX <= 90.3 deg F Sep
001Temperature, water deg. fahrenheitDAILY MX <= 94.3 deg F Oct
001Temperature, water deg. fahrenheitDAILY MX <= 91.2 deg F Jan
001Temperature, water deg. fahrenheitDAILY MX <= 90.8 deg F Nov
001Temperature, water deg. fahrenheitDAILY MX <= 90.2 deg F Aug
001Temperature, water deg. fahrenheitDAILY MX <= 91.2 deg F Feb
001Temperature, water deg. fahrenheitDAILY MX <= 91.1 deg F Mar
001Temperature, water deg. fahrenheitDAILY MX <= 90.4 deg F Jun
001Temperature, water deg. fahrenheitDAILY MX <= 91.1 deg F Dec
001Temperature, water deg. fahrenheitDAILY MX <= 94.3 deg F May
001Temperature, water deg. fahrenheitDAILY MX <= 90.2 deg F Jul
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Nitrogen, ammonia total [as N]30DA AVG <= 1.7 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 1.1 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 2.7 mg/L Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 4.4 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 2.6 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 1.5 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 1.7 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 1.9 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 1.2 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 1.1 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 3.8 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 3.8 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 5.8 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 5.8 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 7 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 7 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 5.8 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 5.8 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 5.8 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 4.8 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 5.8 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 10.2 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 8.5 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 12.5 lb/d Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 8 lb/d Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 19.9 lb/d Dec
001Nitrogen, ammonia total [as N]30DA AVG <= 31.6 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 18.8 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 10.9 lb/d Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 12.7 lb/d Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 14.4 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= 8.7 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 8.5 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 27.2 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 27.5 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 44 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 45 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 52.3 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 52 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 43.5 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 44.8 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 43.8 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 36.5 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 36.3 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 45.2 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 75.7 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 63.7 lb/d Mar
001Sulfate, total [as SO4]30DA AVG <= 1518 mg/L all year
001Sulfate, total [as SO4]DAILY MX <= 1518 mg/L all year
001Sulfate, total [as SO4]30DA AVG <= 11192 lb/d all year
001Sulfate, total [as SO4]DAILY MX <= 11192 lb/d all year
001Iron, total [as Fe]30DA AVG <= 1 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1 mg/L all year
001Iron, total [as Fe]30DA AVG <= 7.39 lb/d all year
001Iron, total [as Fe]DAILY MX <= 7.39 lb/d all year
001Chlorine, total residual30DA AVG <= .012 mg/L all year
001Chlorine, total residualDAILY MX <= .021 mg/L all year
001Chlorine, total residual30DA AVG <= .128 lb/d all year
001Chlorine, total residualDAILY MX <= .229 lb/d 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