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

Madill PWA

Sewage treatment plant, Madill, Oklahoma. NPDES permit OK0031721, in force until Jul 31, 2027. Last 12 months: over a limit 115 times (last August 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (17 values)
Renewal application due
Feb 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
114 values over a limit, 0 required values missing, 3 of 12 reports late

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

All 115 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average408.58 lb/d≤ 56.3 lb/d626%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average89.01 mg/L≤ 9 mg/L889%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average177 mg/L≤ 13.5 mg/L1211%
October 2025Nitrogen, ammonia total [as N], monthly average124.46 lb/d≤ 12.5 lb/d896%
October 2025Nitrogen, ammonia total [as N], monthly average29.18 mg/L≤ 2 mg/L1359%
October 2025Nitrogen, ammonia total [as N], weekly average37.4 mg/L≤ 3 mg/L1147%
October 2025Solids, total suspended, monthly average162.65 mg/L≤ 15 mg/L984%
October 2025Solids, total suspended, monthly average773.95 lb/d≤ 93.8 lb/d725%
October 2025Solids, total suspended, weekly average290 mg/L≤ 22.5 mg/L1189%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average22.72 mg/L≤ 20 mg/L14%
November 2025BOD, carbonaceous [5 day, 20 C], weekly average39.6 mg/L≤ 30 mg/L32%
November 2025Nitrogen, ammonia total [as N], monthly average117.13 lb/d≤ 43.8 lb/d167%
November 2025Nitrogen, ammonia total [as N], monthly average33.6 mg/L≤ 7 mg/L380%
November 2025Nitrogen, ammonia total [as N], weekly average41.7 mg/L≤ 10.5 mg/L297%
November 2025Solids, total suspended, monthly average44.51 mg/L≤ 30 mg/L48%
November 2025Solids, total suspended, weekly average94.3 mg/L≤ 45 mg/L110%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average200.38 lb/d≤ 125.1 lb/d60%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average36.17 mg/L≤ 20 mg/L81%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average83.5 mg/L≤ 30 mg/L178%
December 2025Nitrogen, ammonia total [as N], monthly average151.97 lb/d≤ 43.8 lb/d247%
December 2025Nitrogen, ammonia total [as N], monthly average32.95 mg/L≤ 7 mg/L371%
December 2025Nitrogen, ammonia total [as N], weekly average37 mg/L≤ 10.5 mg/L252%
December 2025Solids, total suspended, monthly average605.56 lb/d≤ 187.7 lb/d223%
December 2025Solids, total suspended, monthly average90.38 mg/L≤ 30 mg/L201%
December 2025Solids, total suspended, weekly average350 mg/L≤ 45 mg/L678%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average185.79 lb/d≤ 125.1 lb/d49%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average40.52 mg/L≤ 20 mg/L103%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average53.5 mg/L≤ 30 mg/L78%
January 2026Nitrogen, ammonia total [as N], monthly average184.12 lb/d≤ 43.8 lb/d320%
January 2026Nitrogen, ammonia total [as N], monthly average39.47 mg/L≤ 7 mg/L464%
January 2026Nitrogen, ammonia total [as N], weekly average41.5 mg/L≤ 10.5 mg/L295%
January 2026Solids, total suspended, monthly average267.19 lb/d≤ 187.7 lb/d42%
January 2026Solids, total suspended, monthly average40.52 mg/L≤ 30 mg/L35%
January 2026Solids, total suspended, weekly average53.5 mg/L≤ 45 mg/L19%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average181.56 lb/d≤ 125.1 lb/d45%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average49.83 mg/L≤ 20 mg/L149%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average59.7 mg/L≤ 30 mg/L99%
February 2026Nitrogen, ammonia total [as N], monthly average119.9 lb/d≤ 43.8 lb/d174%
February 2026Nitrogen, ammonia total [as N], monthly average33.13 mg/L≤ 7 mg/L373%
February 2026Nitrogen, ammonia total [as N], weekly average45.2 mg/L≤ 10.5 mg/L330%
February 2026Oxygen, dissolved [DO], minimum5.77 mg/L≥ 6 mg/L4%
February 2026Solids, total suspended, monthly average53.95 mg/L≤ 30 mg/L80%
February 2026Solids, total suspended, weekly average87.5 mg/L≤ 45 mg/L94%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average134.67 mg/L≤ 20 mg/L573%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average398.93 lb/d≤ 125.1 lb/d219%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average144 mg/L≤ 30 mg/L380%
March 2026Nitrogen, ammonia total [as N], monthly average121.15 lb/d≤ 43.8 lb/d177%
March 2026Nitrogen, ammonia total [as N], monthly average41.87 mg/L≤ 7 mg/L498%
March 2026Nitrogen, ammonia total [as N], weekly average48 mg/L≤ 10.5 mg/L357%
March 2026Oxygen, dissolved [DO], minimum3.18 mg/L≥ 6 mg/L47%
March 2026Solids, total suspended, monthly average221.98 lb/d≤ 187.7 lb/d18%
March 2026Solids, total suspended, monthly average86.9 mg/L≤ 30 mg/L190%
March 2026Solids, total suspended, weekly average144 mg/L≤ 45 mg/L220%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average185.56 lb/d≤ 62.6 lb/d196%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average46.43 mg/L≤ 10 mg/L364%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average79.6 mg/L≤ 15 mg/L431%
April 2026Nitrogen, ammonia total [as N], monthly average151.98 lb/d≤ 18.8 lb/d708%
April 2026Nitrogen, ammonia total [as N], monthly average36.9 mg/L≤ 3 mg/L1130%
April 2026Nitrogen, ammonia total [as N], weekly average44.5 mg/L≤ 4.5 mg/L889%
April 2026Oxygen, dissolved [DO], minimum2.59 mg/L≥ 6 mg/L57%
April 2026Solids, total suspended, monthly average204.06 lb/d≤ 93.8 lb/d118%
April 2026Solids, total suspended, monthly average50.87 mg/L≤ 15 mg/L239%
April 2026Solids, total suspended, weekly average75 mg/L≤ 22.5 mg/L233%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average198.44 lb/d≤ 62.6 lb/d217%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average92.17 mg/L≤ 10 mg/L822%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average114 mg/L≤ 15 mg/L660%
May 2026Chlorine, total residual, instantaneous maximum.12 mg/L≤ .099 mg/L21%
May 2026E. coli, daily maximum> 200000 CFU/100mL≤ 406 CFU/100mL—
May 2026E. coli, geometric mean48990 CFU/100mL≤ 126 CFU/100mL38781%
May 2026Nitrogen, ammonia total [as N], monthly average101.29 lb/d≤ 18.8 lb/d439%
May 2026Nitrogen, ammonia total [as N], monthly average44.67 mg/L≤ 3 mg/L1389%
May 2026Nitrogen, ammonia total [as N], weekly average48.8 mg/L≤ 4.5 mg/L984%
May 2026Solids, total suspended, monthly average116.52 lb/d≤ 93.8 lb/d24%
May 2026Solids, total suspended, monthly average64 mg/L≤ 15 mg/L327%
May 2026Solids, total suspended, weekly average110 mg/L≤ 22.5 mg/L389%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average254.08 lb/d≤ 56.3 lb/d351%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average57.37 mg/L≤ 9 mg/L537%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average103 mg/L≤ 13.5 mg/L663%
June 2026Chlorine, total residual, instantaneous maximum.1 mg/L≤ .099 mg/L1%
June 2026E. coli, daily maximum200000 CFU/100mL≤ 406 CFU/100mL49161%
June 2026E. coli, geometric mean25250 CFU/100mL≤ 126 CFU/100mL19940%
June 2026Nitrogen, ammonia total [as N], monthly average157.49 lb/d≤ 12.5 lb/d1160%
June 2026Nitrogen, ammonia total [as N], monthly average36.43 mg/L≤ 2 mg/L1722%
June 2026Nitrogen, ammonia total [as N], weekly average43.2 mg/L≤ 3 mg/L1340%
June 2026Oxygen, dissolved [DO], minimum1.79 mg/L≥ 5 mg/L64%
June 2026Solids, total suspended, monthly average22.7 mg/L≤ 15 mg/L51%
June 2026Solids, total suspended, monthly average98.31 lb/d≤ 93.8 lb/d5%
June 2026Solids, total suspended, weekly average31 mg/L≤ 22.5 mg/L38%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average100 mg/L≤ 9 mg/L1011%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average115.71 lb/d≤ 56.3 lb/d106%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average126 mg/L≤ 13.5 mg/L833%
July 2026Chlorine, total residual, instantaneous maximum.34 mg/L≤ .099 mg/L243%
July 2026E. coli, daily maximum200000 CFU/100mL≤ 406 CFU/100mL49161%
July 2026E. coli, geometric mean6822 CFU/100mL≤ 126 CFU/100mL5314%
July 2026Nitrogen, ammonia total [as N], monthly average67.47 mg/L≤ 2 mg/L3274%
July 2026Nitrogen, ammonia total [as N], monthly average78.75 lb/d≤ 12.5 lb/d530%
July 2026Nitrogen, ammonia total [as N], weekly average70.3 mg/L≤ 3 mg/L2243%
July 2026Oxygen, dissolved [DO], minimum1.12 mg/L≥ 5 mg/L78%
July 2026Solids, total suspended, monthly average114.67 mg/L≤ 15 mg/L664%
July 2026Solids, total suspended, monthly average125.1 lb/d≤ 93.8 lb/d33%
July 2026Solids, total suspended, weekly average175 mg/L≤ 22.5 mg/L678%
July 2026pH, minimum2.79 SU≥ 6.5 SU—
August 2026BOD, carbonaceous [5 day, 20 C], monthly average51.9 mg/L≤ 9 mg/L477%
August 2026BOD, carbonaceous [5 day, 20 C], weekly average83.5 mg/L≤ 13.5 mg/L519%
August 2026Chlorine, total residual, instantaneous maximum.14 mg/L≤ .099 mg/L41%
August 2026E. coli, daily maximum200000 CFU/100mL≤ 406 CFU/100mL49161%
August 2026E. coli, geometric mean35566 CFU/100mL≤ 126 CFU/100mL28127%
August 2026Nitrogen, ammonia total [as N], monthly average61.18 mg/L≤ 2 mg/L2959%
August 2026Nitrogen, ammonia total [as N], monthly average64.74 lb/d≤ 12.5 lb/d418%
August 2026Nitrogen, ammonia total [as N], weekly average73.7 mg/L≤ 3 mg/L2357%
August 2026Oxygen, dissolved [DO], minimum.21 mg/L≥ 5 mg/L96%
August 2026Solids, total suspended, monthly average106 lb/d≤ 93.8 lb/d13%
August 2026Solids, total suspended, monthly average98.08 mg/L≤ 15 mg/L554%
August 2026Solids, total suspended, weekly average153 mg/L≤ 22.5 mg/L580%
August 2026pH, minimum5.52 SU≥ 6.5 SU—

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/LJun–Oct
Oxygen, dissolved [DO]minimum≥ 6 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/LApr–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedweekly average≤ 22.5 mg/LApr–Oct
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 93.8 lb/dApr–Oct
Solids, total suspendedmonthly average≤ 187.7 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LApr, May
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 4.5 mg/LApr, May
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/LJun–Oct
Nitrogen, ammonia total [as N]weekly average≤ 10.5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 18.8 lb/dApr, May
Nitrogen, ammonia total [as N]monthly average≤ 12.5 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 43.8 lb/dJan, Feb, Mar, Nov, Dec
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
E. coligeometric mean≤ 126 CFU/100mLMay–Sep
E. colidaily maximum≤ 406 CFU/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LApr, May
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 13.5 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LApr, May
BOD, carbonaceous [5 day, 20 C]monthly average≤ 125.1 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 56.3 lb/dJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62.6 lb/dApr, May

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/OK0031721 · MCP: https://passage-data.com/mcp