PLYMOUTH ENERGY, LLC

NPDES permit IA0052775 · Minor NON-POTW · effective, expires 2026-12-31 · 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 12 forms filed late

Last period with anything received: 2026-08-31.

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 (38)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheit30DA AVG <= 90.4 deg F Oct
001Temperature, water deg. fahrenheit30DA AVG <= 89.9 deg F Jul
001Temperature, water deg. fahrenheit30DA AVG <= 80.6 deg F Nov
001Temperature, water deg. fahrenheit30DA AVG <= 90.1 deg F Jun
001Temperature, water deg. fahrenheit30DA AVG <= 90.1 deg F Sep
001Temperature, water deg. fahrenheit30DA AVG <= 89.8 deg F Aug
001Temperature, water deg. fahrenheit30DA AVG <= 80.4 deg F Feb
001Temperature, water deg. fahrenheit30DA AVG <= 87.4 deg F Mar
001Temperature, water deg. fahrenheit30DA AVG <= 71.6 deg F Dec
001Temperature, water deg. fahrenheit30DA AVG <= 70.9 deg F Jan
001Temperature, water deg. fahrenheit30DA AVG <= 82.6 deg F Apr
001Temperature, water deg. fahrenheit30DA AVG <= 85.1 deg F May
001Temperature, water deg. fahrenheitDAILY MX <= 90.4 deg F Oct
001Temperature, water deg. fahrenheitDAILY MX <= 89.9 deg F Jul
001Temperature, water deg. fahrenheitDAILY MX <= 90.9 deg F Nov
001Temperature, water deg. fahrenheitDAILY MX <= 90.1 deg F Jun
001Temperature, water deg. fahrenheitDAILY MX <= 90.1 deg F Sep
001Temperature, water deg. fahrenheitDAILY MX <= 89.8 deg F Aug
001Temperature, water deg. fahrenheitDAILY MX <= 91.5 deg F Feb
001Temperature, water deg. fahrenheitDAILY MX <= 91.3 deg F Mar
001Temperature, water deg. fahrenheitDAILY MX <= 91.3 deg F Dec
001Temperature, water deg. fahrenheitDAILY MX <= 91.5 deg F Jan
001Temperature, water deg. fahrenheitDAILY MX <= 90.7 deg F Apr
001Temperature, water deg. fahrenheitDAILY MX <= 90.4 deg F May
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Chloride [as Cl]30DA AVG <= 394 mg/L all year
001Chloride [as Cl]DAILY MX <= 630 mg/L all year
001Chloride [as Cl]30DA AVG <= 55.5 lb/d all year
001Chloride [as Cl]DAILY MX <= 89.2 lb/d all year
001Iron, total [as Fe]30DA AVG <= 1.001 mg/L all year
001Iron, total [as Fe]DAILY MX <= 1.001 mg/L all year
001Iron, total [as Fe]30DA AVG <= .14 lb/d all year
001Iron, total [as Fe]DAILY MX <= .14 lb/d all year
001Chlorine, total residual30DA AVG <= .02 mg/L all year
001Chlorine, total residualDAILY MX <= .02 mg/L all year
001Chlorine, total residual30DA AVG <= .0016 lb/d all year
001Chlorine, total residualDAILY MX <= .0027 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