Passage Data · Check a report · Use it from your AI

Konawa, City of

Sewage treatment plant, Konawa, Oklahoma. NPDES permit OK0021873, in force until Apr 30, 2028. Last 12 months: over a limit 6 times (last March 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (16 values)
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
12 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
January 2026Nitrogen, ammonia total [as N], weekly average3.49 mg/L≤ 3 mg/L16%
January 2026Solids, total suspended, monthly average33.65 mg/L≤ 15 mg/L124%
January 2026Solids, total suspended, weekly average62.8 mg/L≤ 22.5 mg/L179%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average19.62 lb/d≤ 16.7 lb/d17%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average41 mg/L≤ 10 mg/L310%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average80 mg/L≤ 15 mg/L433%

Limits in force (17)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Oxygen, dissolved [DO]instantaneous minimum≥ 4 mg/LJun–Oct
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedweekly average≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 25 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 3.34 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
E. coligeometric mean≤ 126 MPN/100mLMay–Sep
E. colidaily maximum≤ 235 MPN/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 16.7 lb/dall year

How strict are these limits?

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

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0021873 · MCP: https://passage-data.com/mcp