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Genoa Central School District

Elementary And Secondary Schools, Texarkana, Arkansas. NPDES permit AR0052892 expired Dec 31, 2023; its limits still apply. Last 12 months: over a limit 4 times (last December 2025), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (4 values), form Q quarterly (8 values), form F quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 4 required values missing, 0 of 21 reports late

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

Period endingParameterReportedLimitOver by
December 2025Coliform, fecal general, 30-day geometric mean2420 #/100mL≤ 1000 #/100mL142%
December 2025Coliform, fecal general, 7-day geometric mean2420 #/100mL≤ 2000 #/100mL21%
December 2025Oil & Grease, daily maximum49 lb/d≤ 3.1 lb/d1481%
December 2025Oil & Grease, monthly average49 lb/d≤ 2.1 lb/d2233%

Limits in force (40)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 20 mg/LMay–Oct
Solids, total suspendeddaily maximum≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 30 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 6.3 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 4.2 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 9.4 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 6.3 lb/dMay–Oct
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 2.1 lb/dall year
Oil & Greasedaily maximum≤ 3.1 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 6.1 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 6.1 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 10.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.3 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 1.5 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.5 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1.3 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 2.2 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 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 maximumreport only (mg/L)all year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 37.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5.2 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.2 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 7.8 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 6.3 lb/dMay–Oct

How strict are these limits?

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

Same industry: the 25 Educational Services permits in Arkansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0052892 · MCP: https://passage-data.com/mcp