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Sewage treatment plant, Magazine, Arkansas. NPDES permit AR0037397 expired Apr 30, 2025; its limits still apply. Last 12 months: over a limit 58 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (19 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
36 values over a limit, 0 required values missing, 5 of 12 reports late

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

All 58 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], 7-day average33 mg/L≤ 9 mg/L267%
October 2025Nitrogen, ammonia total [as N], monthly average23 mg/L≤ 6 mg/L283%
October 2025Oxygen, dissolved [DO], instantaneous minimum2.3 mg/L≥ 3 mg/L23%
November 2025BOD, carbonaceous [5 day, 20 C], 7-day average45 mg/L≤ 30 mg/L50%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average37.5 mg/L≤ 20 mg/L88%
November 2025Nitrogen, ammonia total [as N], 7-day average29.1 mg/L≤ 16.7 mg/L74%
November 2025Nitrogen, ammonia total [as N], monthly average26.55 mg/L≤ 12 mg/L121%
December 2025BOD, carbonaceous [5 day, 20 C], 7-day average73 mg/L≤ 30 mg/L143%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average55 mg/L≤ 20 mg/L175%
December 2025Nitrogen, ammonia total [as N], 7-day average21.44 mg/L≤ 16.7 mg/L28%
December 2025Nitrogen, ammonia total [as N], monthly average18.43 mg/L≤ 12 mg/L54%
December 2025Solids, total suspended, monthly average20.5 mg/L≤ 20 mg/L3%
January 2026BOD, carbonaceous [5 day, 20 C], 7-day average55 mg/L≤ 30 mg/L83%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average44.5 mg/L≤ 20 mg/L123%
January 2026Nitrogen, ammonia total [as N], 7-day average21.78 mg/L≤ 16.7 mg/L30%
January 2026Nitrogen, ammonia total [as N], monthly average20.93 mg/L≤ 12 mg/L74%
January 2026Solids, total suspended, monthly average22.5 mg/L≤ 20 mg/L13%
March 2026BOD, carbonaceous [5 day, 20 C], 7-day average33 mg/L≤ 30 mg/L10%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average21.5 mg/L≤ 20 mg/L8%
April 2026BOD, carbonaceous [5 day, 20 C], 7-day average93 mg/L≤ 30 mg/L210%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average32.75 lb/d≤ 25 lb/d31%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average61 mg/L≤ 20 mg/L205%
April 2026Nitrogen, ammonia total [as N], 7-day average30.66 mg/L≤ 5.6 mg/L448%
April 2026Nitrogen, ammonia total [as N], monthly average19.23 mg/L≤ 5.6 mg/L243%
April 2026Nitrogen, ammonia total [as N], monthly average9.99 lb/d≤ 7 lb/d43%
April 2026Solids, total suspended, 7-day average46 mg/L≤ 30 mg/L53%
April 2026Solids, total suspended, monthly average27.5 mg/L≤ 20 mg/L38%
May 2026BOD, carbonaceous [5 day, 20 C], 7-day average36 mg/L≤ 23 mg/L57%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average22.24 lb/d≤ 18.8 lb/d18%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average32 mg/L≤ 15 mg/L113%
May 2026Coliform, fecal general, 30-day geometric mean1474 #/100mL≤ 1000 #/100mL47%
May 2026Coliform, fecal general, 7-day geometric mean2150 #/100mL≤ 2000 #/100mL8%
May 2026Nitrogen, ammonia total [as N], 7-day average11.92 mg/L≤ 9 mg/L32%
May 2026Nitrogen, ammonia total [as N], monthly average11.39 mg/L≤ 6 mg/L90%
May 2026Oxygen, dissolved [DO], instantaneous minimum1.8 mg/L≥ 3 mg/L40%
May 2026Solids, total suspended, monthly average25 mg/L≤ 20 mg/L25%
June 2026BOD, carbonaceous [5 day, 20 C], 7-day average55 mg/L≤ 23 mg/L139%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average42.5 mg/L≤ 15 mg/L183%
June 2026Coliform, fecal general, 30-day geometric mean1422 #/100mL≤ 1000 #/100mL42%
June 2026Coliform, fecal general, 7-day geometric mean2150 #/100mL≤ 2000 #/100mL8%
June 2026Nitrogen, ammonia total [as N], 7-day average19 mg/L≤ 9 mg/L111%
June 2026Nitrogen, ammonia total [as N], monthly average15 mg/L≤ 6 mg/L150%
June 2026Oxygen, dissolved [DO], instantaneous minimum1.8 mg/L≥ 3 mg/L40%
June 2026Solids, total suspended, 7-day average38 mg/L≤ 30 mg/L27%
June 2026Solids, total suspended, monthly average33 mg/L≤ 20 mg/L65%
July 2026BOD, carbonaceous [5 day, 20 C], 7-day average71 mg/L≤ 23 mg/L209%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average57 mg/L≤ 15 mg/L280%
July 2026Nitrogen, ammonia total [as N], 7-day average44 mg/L≤ 9 mg/L389%
July 2026Nitrogen, ammonia total [as N], monthly average36.56 mg/L≤ 6 mg/L509%
July 2026Oxygen, dissolved [DO], instantaneous minimum2.3 mg/L≥ 3 mg/L23%
July 2026Solids, total suspended, 7-day average55 mg/L≤ 30 mg/L83%
July 2026Solids, total suspended, monthly average35 mg/L≤ 20 mg/L75%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average19.5 mg/L≤ 15 mg/L30%
August 2026Nitrogen, ammonia total [as N], 7-day average44.26 mg/L≤ 9 mg/L392%
August 2026Nitrogen, ammonia total [as N], monthly average37.56 mg/L≤ 6 mg/L526%
August 2026Oxygen, dissolved [DO], instantaneous minimum1.8 mg/L≥ 3 mg/L40%
August 2026Solids, total suspended, 7-day average37 mg/L≤ 30 mg/L23%
August 2026Solids, total suspended, monthly average22.5 mg/L≤ 20 mg/L13%

Limits in force (28)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspended7-day average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 25 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.6 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 5.6 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 16.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 9 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 7 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 7.5 lb/dMay–Oct
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 maximumreport only (mg/L)all year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
Overflowsmonthly totalreport only (occur/mo)all year
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day average≤ 23 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 18.8 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 lb/dJan, Feb, Mar, Apr, Nov, Dec

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0037397 · MCP: https://passage-data.com/mcp