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Hulbert PWA

Water Supply, Hulbert, Oklahoma. NPDES permit OK0100391, in force until Jul 31, 2030. Last 12 months: over a limit 7 times (last June 2026), 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
3 values over a limit, 18 required values missing, 7 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, instantaneous maximum.29 mg/L≤ .099 mg/L193%
November 2025Chlorine, total residual, instantaneous maximum.31 mg/L≤ .099 mg/L213%
December 2025Chlorine, total residual, instantaneous maximum.2 mg/L≤ .099 mg/L102%
April 2026pH, maximum9.1 SU≤ 9 SU—
May 2026Aluminum, dissolved [as Al], monthly average1.24 mg/L≤ 1 mg/L24%
May 2026pH, maximum9.2 SU≤ 9 SU—
June 2026pH, maximum9.2 SU≤ 9 SU—

Limits in force (17)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 2 lb/dall year
Iron, dissolved [as Fe]monthly average≤ 1 mg/Lall year
Iron, dissolved [as Fe]daily maximum≤ 2 mg/Lall year
Iron, dissolved [as Fe]monthly average≤ .13 lb/dall year
Manganese, dissolved [as Mn]monthly average≤ 1 mg/Lall year
Manganese, dissolved [as Mn]daily maximum≤ 2 mg/Lall year
Manganese, dissolved [as Mn]monthly average≤ .13 lb/dall year
Aluminum, dissolved [as Al]monthly average≤ 1 mg/Lall year
Aluminum, dissolved [as Al]daily maximum≤ 2 mg/Lall year
Aluminum, dissolved [as Al]monthly average≤ .13 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/OK0100391 · MCP: https://passage-data.com/mcp