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Choate Mental Health and Development Center

Psychiatric Hospitals, Anna, Illinois. NPDES permit IL0070033, in force until Aug 31, 2028. Last 12 months: no values over a limit, 9 required values missing, 7 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 25 days after each period: form 0 monthly (9 values)
Renewal application due: Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 9 required values missing, 6 of 12 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
pH	monthly minimum	≥ 6.5 SU	all year
pH	monthly maximum	≤ 9 SU	all year
Solids, total suspended	30-day average	≤ 15 mg/L	all year
Solids, total suspended	daily maximum	≤ 30 mg/L	all year
Iron, dissolved [as Fe]	daily maximum	≤ 1 mg/L	all year
Zinc, total [as Zn]	30-day average	≤ .0237 mg/L	all year
Zinc, total [as Zn]	daily maximum	≤ .0914 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Zinc, total [as Zn], 30-day average .0237 mg/L — stricter than 100% of 29 other minor industrial and other permits nationwide
Zinc, total [as Zn], daily maximum .0914 mg/L — stricter than 100% of 33 other minor industrial and other permits in Illinois
Iron, dissolved [as Fe], daily maximum 1 mg/L — stricter than 78% of 96 other minor industrial and other permits nationwide; 14% have the same limit

Cited limits by parameter: Illinois's rules and the federal ones.

Same industry: the 7 Health Services permits in Illinois.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0070033 · MCP: https://passage-data.com/mcp