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Westport Water Company

Water Supply, Westport, Indiana. NPDES permit IN0064611, in force until Dec 31, 2027. Last 12 months: over a limit 4 times (last July 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (9 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 1 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
July 2026Chlorine, total residual, daily maximum.06 mg/L< .06 mg/L0%
July 2026Solids, total suspended, daily maximum709.1 mg/L≤ 40 mg/L1673%
July 2026Solids, total suspended, monthly average634.5 mg/L≤ 20 mg/L3073%
July 2026pH, daily maximum9.4 SU≤ 9 SU—

Limits in force (9)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average< .06 mg/Lall year
Chlorine, total residualdaily maximum< .06 mg/Lall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

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

Same industry: the 95 Water Supply permits in Indiana.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0064611 · MCP: https://passage-data.com/mcp