CHOATE MENTAL HEALTH AND DEVELOPMENT CENTER

NPDES permit IL0070033 · Minor NON-POTW · effective, expires 2028-08-31 · 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
18required values missing, on 2 form(s)
8of 11 forms filed late

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

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (9)

OutfallParameterStatisticLimitMonths
001pHMO MIN >= 6.5 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Iron, dissolved [as Fe]DAILY MX <= 1 mg/L all year
001Zinc, total [as Zn]30DA AVG <= .0237 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .0914 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

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