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Odon Public Water Supply

Water Supply, Odon, Indiana. NPDES permit IN0043737, in force until Sep 30, 2027. Last 12 months: no values over a limit, 18 required values missing, 2 of 4 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form AQ quarterly (9 values)
Renewal application due: Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 4 required values missing, 2 of 4 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6 SU	Mar, Jun, Sep, Dec
pH	daily maximum	≤ 9 SU	Mar, Jun, Sep, Dec
Solids, total suspended	quarterly average	≤ 20 mg/L	Mar, Jun, Sep, Dec
Solids, total suspended	daily maximum	≤ 40 mg/L	Mar, Jun, Sep, Dec
Iron, total recoverable	quarterly average	≤ 1.7 mg/L	Mar, Jun, Sep, Dec
Iron, total recoverable	daily maximum	≤ 4 mg/L	Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plant	quarterly average	report only (MGD)	Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	Mar, Jun, Sep, Dec
Flow, total	quarterly total	report only (Mgal/qtr)	Mar, Jun, Sep, Dec

How strict are these limits?

Iron, total recoverable, daily maximum 4 mg/L — stricter than 89% of 93 other minor industrial and other permits in Indiana; 5% have the same limit
Solids, total suspended, quarterly average 20 mg/L — stricter than 72% of 74 other minor industrial and other permits nationwide; 14% have the same limit
Solids, total suspended, daily maximum 40 mg/L — stricter than 40% of 259 other minor industrial and other permits in Indiana; 40% have the same limit

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

Same industry: the 95 Water Supply permits in Indiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0043737 · MCP: https://passage-data.com/mcp