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Dick Conner Correctional Center

Sewerage Systems, Hominy, Oklahoma. NPDES permit OK0037982, in force until Aug 31, 2029. Last 12 months: over a limit 75 times (last August 2026), 23 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
27 values over a limit, 0 required values missing, 1 of 12 reports late

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

All 75 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average9.4 mg/L≤ 8 mg/L18%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average14.3 mg/L≤ 12 mg/L19%
October 2025Nitrogen, ammonia total [as N], monthly average2.25 mg/L≤ 2 mg/L13%
October 2025Nitrogen, ammonia total [as N], weekly average4.3 mg/L≤ 3 mg/L43%
November 2025Solids, total suspended, monthly average17.5 mg/L≤ 15 mg/L17%
November 2025Solids, total suspended, weekly average25.4 mg/L≤ 22.5 mg/L13%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average13 mg/L≤ 10 mg/L30%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average21 mg/L≤ 15 mg/L40%
December 2025Nitrogen, ammonia total [as N], monthly average22 mg/L≤ 7 mg/L214%
December 2025Nitrogen, ammonia total [as N], monthly average27 lb/d≤ 17.5 lb/d54%
December 2025Nitrogen, ammonia total [as N], weekly average28 mg/L≤ 10.5 mg/L167%
December 2025Solids, total suspended, weekly average28 mg/L≤ 22.5 mg/L24%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average13.1 mg/L≤ 10 mg/L31%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average27.7 mg/L≤ 10 mg/L177%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average33.27 lb/d≤ 25 lb/d33%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average27.7 mg/L≤ 15 mg/L85%
February 2026Nitrogen, ammonia total [as N], monthly average20.8 mg/L≤ 7 mg/L197%
February 2026Nitrogen, ammonia total [as N], monthly average24.98 lb/d≤ 17.5 lb/d43%
February 2026Nitrogen, ammonia total [as N], weekly average20.8 mg/L≤ 10.5 mg/L98%
February 2026Solids, total suspended, monthly average36.4 mg/L≤ 15 mg/L143%
February 2026Solids, total suspended, monthly average43.71 lb/d≤ 37.5 lb/d17%
February 2026Solids, total suspended, weekly average36.4 mg/L≤ 22.5 mg/L62%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average19.95 mg/L≤ 10 mg/L100%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average27 mg/L≤ 15 mg/L80%
March 2026Nitrogen, ammonia total [as N], monthly average15.05 mg/L≤ 7 mg/L115%
March 2026Nitrogen, ammonia total [as N], monthly average18 lb/d≤ 17.5 lb/d3%
March 2026Nitrogen, ammonia total [as N], weekly average15.9 mg/L≤ 10.5 mg/L51%
March 2026Solids, total suspended, monthly average22.8 mg/L≤ 15 mg/L52%
March 2026Solids, total suspended, monthly average43.7 lb/d≤ 37.5 lb/d17%
March 2026Solids, total suspended, weekly average50 mg/L≤ 22.5 mg/L122%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average12.95 mg/L≤ 8 mg/L62%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average12.95 mg/L≤ 8 mg/L62%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average23.33 lb/d≤ 20 lb/d17%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average23.33 lb/d≤ 20 lb/d17%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average20.7 mg/L≤ 12 mg/L73%
April 2026BOD, carbonaceous [5 day, 20 C], weekly average20.7 mg/L≤ 12 mg/L73%
April 2026Nitrogen, ammonia total [as N], monthly average15.92 lb/d≤ 12.5 lb/d27%
April 2026Nitrogen, ammonia total [as N], monthly average15.92 lb/d≤ 12.5 lb/d27%
April 2026Nitrogen, ammonia total [as N], monthly average8.84 mg/L≤ 5 mg/L77%
April 2026Nitrogen, ammonia total [as N], monthly average8.84 mg/L≤ 5 mg/L77%
April 2026Nitrogen, ammonia total [as N], weekly average17.3 mg/L≤ 7.5 mg/L131%
April 2026Nitrogen, ammonia total [as N], weekly average17.3 mg/L≤ 7.5 mg/L131%
April 2026Solids, total suspended, weekly average31 mg/L≤ 22.5 mg/L38%
April 2026Solids, total suspended, weekly average31 mg/L≤ 22.5 mg/L38%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average12.5 mg/L≤ 8 mg/L56%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average13.1 mg/L≤ 12 mg/L9%
May 2026Nitrogen, ammonia total [as N], monthly average17 mg/L≤ 5 mg/L240%
May 2026Nitrogen, ammonia total [as N], monthly average18.58 lb/d≤ 12.5 lb/d49%
May 2026Nitrogen, ammonia total [as N], weekly average19.8 mg/L≤ 7.5 mg/L164%
May 2026Oxygen, dissolved [DO], monthly minimum4.4 mg/L≥ 5 mg/L12%
May 2026Solids, total suspended, monthly average19.7 mg/L≤ 15 mg/L31%
May 2026Solids, total suspended, weekly average58.5 mg/L≤ 22.5 mg/L160%
May 2026pH, minimum5.4 SU≥ 6.5 SU—
June 2026BOD, carbonaceous [5 day, 20 C], monthly average11.45 mg/L≤ 8 mg/L43%
June 2026BOD, carbonaceous [5 day, 20 C], weekly average14.9 mg/L≤ 12 mg/L24%
June 2026E. coli, daily maximum980.4 CFU/100mL≤ 406 CFU/100mL141%
June 2026Nitrogen, ammonia total [as N], monthly average13.55 mg/L≤ 2 mg/L578%
June 2026Nitrogen, ammonia total [as N], monthly average19.03 lb/d≤ 5 lb/d281%
June 2026Nitrogen, ammonia total [as N], weekly average15.4 mg/L≤ 3 mg/L413%
June 2026Solids, total suspended, monthly average16.4 mg/L≤ 8 mg/L105%
June 2026Solids, total suspended, monthly average22.86 lb/d≤ 20 lb/d14%
June 2026Solids, total suspended, weekly average17.6 mg/L≤ 12 mg/L47%
June 2026pH, minimum6.27 SU≥ 6.5 SU—
July 2026BOD, carbonaceous [5 day, 20 C], monthly average9.45 mg/L≤ 8 mg/L18%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average14.1 mg/L≤ 12 mg/L18%
July 2026E. coli, daily maximum2419.6 CFU/100mL≤ 406 CFU/100mL496%
July 2026Nitrogen, ammonia total [as N], monthly average12.58 lb/d≤ 5 lb/d152%
July 2026Nitrogen, ammonia total [as N], monthly average4.54 mg/L≤ 2 mg/L127%
July 2026Nitrogen, ammonia total [as N], weekly average10.4 mg/L≤ 3 mg/L247%
July 2026Solids, total suspended, monthly average13.5 mg/L≤ 8 mg/L69%
July 2026Solids, total suspended, monthly average25.74 lb/d≤ 20 lb/d29%
July 2026Solids, total suspended, weekly average18 mg/L≤ 12 mg/L50%
July 2026pH, minimum6.05 SU≥ 6.5 SU—
August 2026Oxygen, dissolved [DO], monthly minimum3.66 mg/L≥ 4 mg/L9%
August 2026pH, minimum6.2 SU≥ 6.5 SU—

Limits in force (39)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/LJun–Oct
Oxygen, dissolved [DO]monthly minimum≥ 2 mg/LJan, Feb, Mar, Nov, Dec
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/LApr, May
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 8 mg/LJun–Oct
Solids, total suspendedweekly average≤ 22.5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedweekly average≤ 12 mg/LJun–Oct
Solids, total suspendedmonthly average≤ 37.5 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 20 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 5 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≤ 7.5 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≤ 12.5 lb/dApr, May
Nitrogen, ammonia total [as N]monthly average≤ 5 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 17.5 lb/dJan, Feb, Mar, Nov, Dec
Chloride [as Cl]monthly average≤ 449 mg/Lall year
Chloride [as Cl]daily maximum≤ 534 mg/Lall year
Chloride [as Cl]monthly average≤ 1123 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
E. coligeometric mean≤ 126 CFU/100mLMay–Sep
E. coligeometric mean≤ 630 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
E. colidaily maximum≤ 406 CFU/100mLMay–Sep
E. colidaily maximum≤ 2030 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total dissolved- 180 deg. Cmonthly average≤ 1258 mg/Lall year
Solids, total dissolved- 180 deg. Cdaily maximum≤ 1494 mg/Lall year
Solids, total dissolved- 180 deg. Cmonthly average≤ 3148 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 lb/dApr–Oct

How strict are these limits?

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

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