TRITON WEST LLC

NPDES permit IL0046736 · Minor NON-POTW · effective, expires 2030-06-30 · 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

22values over a limit
0required values missing, on 0 form(s)
3of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (17), pH (3), Oil & Grease (2).

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 (70)

OutfallParameterStatisticLimitMonths
001pHMO MIN >= 6.5 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & Grease30DA AVG report only all year
001Oil & GreaseDAILY MX report only all year
001Iron, total [as Fe]30DA AVG report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Lead, total [as Pb]30DA AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Polynuclear Aromatic Hydrocarbons [PAHs]30DA AVG report only Mar, Sep
001Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only Mar, Sep
001Benzene, ethylbenzene, toluene, xylene combination30DA AVG report only all year
001Benzene, ethylbenzene, toluene, xylene combinationDAILY MX report only all year
001Toluene30DA AVG <= .14 mg/L all year
001TolueneDAILY MX <= 1.75 mg/L all year
001Benzene30DA AVG report only all year
001BenzeneDAILY MX report only all year
001Ethylbenzene30DA AVG <= .014 mg/L all year
001EthylbenzeneDAILY MX <= .15 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Xylene [mix of m+o+p]30DA AVG <= .117 mg/L all year
001Xylene [mix of m+o+p]DAILY MX <= .92 mg/L all year
002pHMO MIN >= 6.5 SU all year
002pHMO MAX <= 9 SU all year
002Solids, total suspended30DA AVG <= 15 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Oil & Grease30DA AVG <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 30 mg/L all year
002Iron, total [as Fe]30DA AVG <= 2 mg/L all year
002Iron, total [as Fe]DAILY MX <= 4 mg/L all year
002Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX <= .1 mg/L all year
002Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .75 mg/L all year
002Toluene30DA AVG <= .6 mg/L all year
002TolueneDAILY MX <= 2 mg/L all year
002BenzeneDAILY MX <= .05 mg/L all year
002Ethylbenzene30DA AVG <= .014 mg/L all year
002EthylbenzeneDAILY MX <= .15 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= .05 mg/L all year
002Xylene [mix of m+o+p]30DA AVG <= .36 mg/L all year
002Xylene [mix of m+o+p]DAILY MX <= .92 mg/L all year
A01pHMO MIN >= 6 SU all year
A01pHMO MAX <= 9 SU all year
A01Solids, total suspended30DA AVG <= 15 mg/L all year
A01Solids, total suspendedDAILY MX <= 30 mg/L all year
A01Oil & Grease30DA AVG <= 15 mg/L all year
A01Oil & GreaseDAILY MX <= 30 mg/L all year
A01Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX <= .1 mg/L Mar, Sep
A01Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .75 mg/L all year
A01BenzeneDAILY MX <= .05 mg/L all year
A01Flow, in conduit or thru treatment plantMO AVG report only all year
A01Flow, in conduit or thru treatment plantDAILY MX report only all year
B01pHMO MIN >= 6 SU all year
B01pHMO MAX <= 9 SU all year
B01Solids, total suspended30DA AVG <= 15 mg/L all year
B01Solids, total suspendedDAILY MX <= 30 mg/L all year
B01Oil & Grease30DA AVG <= 15 mg/L all year
B01Oil & GreaseDAILY MX <= 30 mg/L all year
B01Iron, total [as Fe]30DA AVG <= 2 mg/L all year
B01Iron, total [as Fe]DAILY MX <= 4 mg/L all year
B01Lead, total [as Pb]30DA AVG <= .2 mg/L all year
B01Lead, total [as Pb]DAILY MX <= .4 mg/L all year
B01Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX <= .1 mg/L Mar, Sep
B01Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .75 mg/L all year
B01BenzeneDAILY MX <= .05 mg/L all year
B01Flow, in conduit or thru treatment plantMO AVG report only all year
B01Flow, in conduit or thru treatment plantDAILY MX 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