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Bismarck School District

Elementary And Secondary Schools, Bismarck, Arkansas. NPDES permit AR0051098 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 6 times (last July 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], daily maximum9.8 lb/d≤ 4.3 lb/d128%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average9.8 lb/d≤ 2.9 lb/d238%
November 2025Oil & Grease, daily maximum8.4 lb/d≤ 2.9 lb/d190%
November 2025Oil & Grease, monthly average8.4 lb/d≤ 1.9 lb/d342%
July 2026Coliform, fecal general, 30-day geometric mean> 2400 #/100mL≤ 1000 #/100mL—
July 2026Coliform, fecal general, 7-day geometric mean> 2400 #/100mL≤ 2000 #/100mL—

Limits in force (28)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/LMay–Oct
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/LJan, Feb, Mar, Apr, Nov, Dec
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 3.8 lb/dall year
Solids, total suspendeddaily maximum≤ 5.8 lb/dall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 1.9 lb/dall year
Oil & Greasedaily maximum≤ 2.9 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LJan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LJan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 1 lb/dJan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 1.4 lb/dJan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1 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 general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 22.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 4.3 lb/dall year

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/AR0051098 · MCP: https://passage-data.com/mcp