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Grand Prairie Bayou Two Public Water Authority - Mt. Tabor Estates WWTF

Sewage treatment plant, Cabot, Arkansas. NPDES permit AR0052299, in force until Dec 31, 2030. Last 12 months: over a limit 23 times (last September 2026), 1 required value missing, 1 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (20 values), form Q quarterly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
38 values over a limit, 0 required values missing, 2 of 24 reports late

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

All 23 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, 7-day average45.3 mg/L≤ 30 mg/L51%
October 2025Solids, total suspended, monthly average11.33 lb/d≤ 3 lb/d278%
October 2025Solids, total suspended, monthly average45.3 mg/L≤ 20 mg/L127%
November 2025Solids, total suspended, monthly average26.5 mg/L≤ 20 mg/L33%
November 2025Solids, total suspended, monthly average6.4 lb/d≤ 3 lb/d113%
December 2025Solids, total suspended, 7-day average33.3 mg/L≤ 30 mg/L11%
December 2025Solids, total suspended, monthly average33.3 mg/L≤ 20 mg/L67%
December 2025Solids, total suspended, monthly average8.7 lb/d≤ 3 lb/d190%
January 2026Solids, total suspended, monthly average23.5 mg/L≤ 20 mg/L18%
April 2026Coliform, fecal general, 7-day geometric mean> 2420 #/100mL≤ 2000 #/100mL—
April 2026Coliform, fecal general, monthly geometric mean> 2420 #/100mL≤ 1000 #/100mL—
June 2026Coliform, fecal general, 7-day geometric mean> 2420 #/100mL≤ 2000 #/100mL—
June 2026Coliform, fecal general, monthly geometric mean1239 #/100mL≤ 1000 #/100mL24%
June 2026Solids, total suspended, 7-day average120 mg/L≤ 30 mg/L300%
June 2026Solids, total suspended, monthly average120 mg/L≤ 20 mg/L500%
June 2026Solids, total suspended, monthly average33.3 lb/d≤ 9 lb/d270%
July 2026Solids, total suspended, 7-day average43.6 mg/L≤ 30 mg/L45%
July 2026Solids, total suspended, monthly average11.42 lb/d≤ 9 lb/d27%
July 2026Solids, total suspended, monthly average43.6 mg/L≤ 20 mg/L118%
August 2026Solids, total suspended, monthly average24 mg/L≤ 20 mg/L20%
September 2026Solids, total suspended, 7-day average36 mg/L≤ 30 mg/L20%
September 2026Solids, total suspended, monthly average36 mg/L≤ 20 mg/L80%
September 2026Solids, total suspended, monthly average9.4 lb/d≤ 9 lb/d4%

Limits in force (30)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheit7-day averagereport only (deg F)all year
Flow ratemonthly averagereport only (%)all year
Flow rate7-day averagereport only (%)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 5 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≤ 9 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 14.7 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≤ 15 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≤ 4.5 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 6.6 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.3 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
Coliform, fecal generalmonthly 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≤ 10 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≤ 15 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≤ 4.5 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 lb/dJan, Feb, Mar, Apr, Nov, Dec

How strict are these limits?

Cited limits by parameter: Arkansas'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/AR0052299 · MCP: https://passage-data.com/mcp