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Coweta WTP

Water Supply, Coweta, Oklahoma. NPDES permit OK0045845, in force until Apr 30, 2031. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (17 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (17)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 18 lb/dall year
Iron, dissolved [as Fe]monthly average≤ 1 mg/Lall year
Iron, dissolved [as Fe]weekly average≤ 2 mg/Lall year
Iron, dissolved [as Fe]monthly average≤ .92 lb/dall year
Manganese, dissolved [as Mn]monthly average≤ 1 mg/Lall year
Manganese, dissolved [as Mn]weekly average≤ 2 mg/Lall year
Manganese, dissolved [as Mn]monthly average≤ .92 lb/dall year
Aluminum, dissolved [as Al]monthly average≤ 1 mg/Lall year
Aluminum, dissolved [as Al]weekly average≤ 2 mg/Lall year
Aluminum, dissolved [as Al]monthly average≤ .92 lb/dall 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 residualinstantaneous maximum≤ .099 mg/Lall year

How strict are these limits?

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

Same industry: the 49 Water Supply permits in Oklahoma.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0045845 · MCP: https://passage-data.com/mcp