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Altus, City of(SW WDS)

Sewage treatment plant, Altus, Oklahoma. NPDES permit OK0028045, in force until Aug 31, 2029. Last 12 months: no values over a limit, 5 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 5 of 14 reports late

Limits in force (22)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 4 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LApr, May
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LApr, May
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 162.6 lb/dApr, May
BOD, 5-day, 20 deg. Cmonthly average≤ 237.7 lb/dJan, Feb, Mar, Nov, Dec
pHminimum≥ 6.5 SUJan, Feb, Mar, Apr, May, Nov, Dec
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 90 mg/LApr, May
Solids, total suspendedmonthly average≤ 90 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedweekly average≤ 135 mg/LApr, May
Solids, total suspendedweekly average≤ 135 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 487.9 lb/dApr, May
Solids, total suspendedmonthly average≤ 713.1 lb/dJan, Feb, Mar, Nov, Dec
Chloride, dissolved in waterdaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ 0 MGDJun–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDJun–Oct
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Apr, May, Nov, Dec
E. coligeometric mean≤ 630 MPN/100mLJan, Feb, Mar, Apr, May, Nov, Dec
E. colidaily maximum≤ 2030 MPN/100mLJan, Feb, Mar, Apr, May, Nov, Dec

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0028045 · MCP: https://passage-data.com/mcp