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Rector, City of - Rector Wastewater Treatment Facility

Sewage treatment plant, Rector, Arkansas. NPDES permit AR0021911, in force until Nov 30, 2027. Last 12 months: over a limit 50 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form B monthly (19 values)
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
48 values over a limit, 0 required values missing, 2 of 12 reports late

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

All 50 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], 7-day average25.9 mg/L≤ 23 mg/L13%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average23.4 mg/L≤ 15 mg/L56%
October 2025Nitrogen, ammonia total [as N], monthly average6.2 mg/L≤ 5 mg/L24%
October 2025Oxygen, dissolved [DO], instantaneous minimum2.31 mg/L≥ 3 mg/L23%
October 2025Solids, total suspended, 7-day average100 mg/L≤ 30 mg/L233%
October 2025Solids, total suspended, monthly average132.62 lb/d≤ 83.4 lb/d59%
October 2025Solids, total suspended, monthly average74 mg/L≤ 20 mg/L270%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average17.5 mg/L≤ 15 mg/L17%
November 2025Oxygen, dissolved [DO], instantaneous minimum4.47 mg/L≥ 5 mg/L11%
November 2025Solids, total suspended, 7-day average60 mg/L≤ 30 mg/L100%
November 2025Solids, total suspended, monthly average122.05 lb/d≤ 83.4 lb/d46%
November 2025Solids, total suspended, monthly average51 mg/L≤ 20 mg/L155%
December 2025Chlorine, total residual, instantaneous maximum.05 mg/L≤ .011 mg/L355%
December 2025Solids, total suspended, 7-day average46 mg/L≤ 30 mg/L53%
December 2025Solids, total suspended, monthly average39 mg/L≤ 20 mg/L95%
December 2025Solids, total suspended, monthly average96.92 lb/d≤ 83.4 lb/d16%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average16 mg/L≤ 15 mg/L7%
January 2026Chlorine, total residual, instantaneous maximum.04 mg/L≤ .011 mg/L264%
January 2026Oxygen, dissolved [DO], instantaneous minimum4.63 mg/L≥ 5 mg/L7%
February 2026BOD, carbonaceous [5 day, 20 C], 7-day average39.9 mg/L≤ 23 mg/L73%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average32 mg/L≤ 15 mg/L113%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average75.42 lb/d≤ 62.6 lb/d20%
February 2026Coliform, fecal general, 30-day geometric mean> 1758 #/100mL≤ 1000 #/100mL—
February 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
February 2026Oxygen, dissolved [DO], instantaneous minimum3.39 mg/L≥ 5 mg/L32%
February 2026Solids, total suspended, 7-day average46 mg/L≤ 30 mg/L53%
February 2026Solids, total suspended, monthly average40.5 mg/L≤ 20 mg/L103%
February 2026Solids, total suspended, monthly average88.01 lb/d≤ 83.4 lb/d6%
March 2026Chlorine, total residual, instantaneous maximum.19 mg/L≤ .011 mg/L1627%
March 2026Oxygen, dissolved [DO], instantaneous minimum2.41 mg/L≥ 5 mg/L52%
April 2026Oxygen, dissolved [DO], instantaneous minimum2.63 mg/L≥ 5 mg/L47%
April 2026Solids, total suspended, monthly average26.5 mg/L≤ 20 mg/L33%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average20.7 mg/L≤ 15 mg/L38%
May 2026Chlorine, total residual, instantaneous maximum.22 mg/L≤ .011 mg/L1900%
May 2026Oxygen, dissolved [DO], instantaneous minimum2.39 mg/L≥ 3 mg/L20%
May 2026Solids, total suspended, 7-day average60 mg/L≤ 30 mg/L100%
May 2026Solids, total suspended, monthly average43 mg/L≤ 20 mg/L115%
May 2026Solids, total suspended, monthly average85.16 lb/d≤ 83.4 lb/d2%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average16.5 mg/L≤ 15 mg/L10%
June 2026Chlorine, total residual, instantaneous maximum.2 mg/L≤ .011 mg/L1718%
June 2026Nitrogen, ammonia total [as N], monthly average6.1 mg/L≤ 5 mg/L22%
June 2026Oxygen, dissolved [DO], instantaneous minimum2.31 mg/L≥ 3 mg/L23%
June 2026Solids, total suspended, 7-day average64 mg/L≤ 30 mg/L113%
June 2026Solids, total suspended, monthly average58.5 mg/L≤ 20 mg/L193%
July 2026Chlorine, total residual, instantaneous maximum.22 mg/L≤ .011 mg/L1900%
August 2026BOD, carbonaceous [5 day, 20 C], 7-day average35.8 mg/L≤ 23 mg/L56%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average28.3 mg/L≤ 15 mg/L89%
August 2026Chlorine, total residual, instantaneous maximum.45 mg/L≤ .011 mg/L3991%
August 2026Solids, total suspended, 7-day average45 mg/L≤ 30 mg/L50%
August 2026Solids, total suspended, monthly average33.5 mg/L≤ 20 mg/L68%

Limits in force (26)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/LMay–Oct
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≤ 83.4 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 7.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 20.9 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 50 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 21.7 lb/dApr
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≤ .011 mg/Lall 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/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 23 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62.6 lb/dall year

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/AR0021911 · MCP: https://passage-data.com/mcp