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Newkirk WTF

Sewage treatment plant, Newkirk, Oklahoma. NPDES permit OK0045951, in force until Sep 30, 2028. Last 12 months: over a limit 7 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (2 values)
Renewal application due
Apr 3, 2028 · 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, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026BOD, 5-day, 20 deg. C, monthly average32.8 mg/L≤ 30 mg/L9%
March 2026BOD, 5-day, 20 deg. C, monthly average102 lb/d≤ 94.6 lb/d8%
March 2026BOD, 5-day, 20 deg. C, monthly average42.3 mg/L≤ 30 mg/L41%
March 2026BOD, 5-day, 20 deg. C, weekly average47.9 mg/L≤ 45 mg/L6%
March 2026Solids, total suspended, monthly average132 mg/L≤ 90 mg/L47%
March 2026Solids, total suspended, monthly average320 lb/d≤ 283.7 lb/d13%
March 2026Solids, total suspended, weekly average157 mg/L≤ 135 mg/L16%

Limits in force (12)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 94.6 lb/dJan, Feb, Mar, Nov, Dec
pHminimum≥ 6.5 SUJan, Feb, Mar, Nov, Dec
pHmaximum≤ 9 SUJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 90 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedweekly average≤ 135 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 283.7 lb/dJan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ 0 MGDApr–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDApr–Oct
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Nov, Dec

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

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/OK0045951 · MCP: https://passage-data.com/mcp