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Pulaski County Special School District-Lawson Elementary School

Elementary And Secondary Schools, Little Rock, Arkansas. NPDES permit AR0044628 expired Jan 31, 2026; its limits still apply. Last 12 months: over a limit 7 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (4 values), form Q quarterly (19 values), form F quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
13 values over a limit, 2 required values missing, 3 of 19 reports late

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

Period endingParameterReportedLimitOver by
December 2025Copper, dissolved [as Cu], daily maximum.004 lb/d≤ .0035 lb/d14%
March 2026Copper, dissolved [as Cu], daily maximum1.6 lb/d≤ .0035 lb/d45614%
March 2026Copper, dissolved [as Cu], monthly average.189 lb/d≤ .0017 lb/d11018%
March 2026Copper, dissolved [as Cu], monthly average11.3 ug/L≤ 10.46 ug/L8%
June 2026Copper, dissolved [as Cu], daily maximum1.3 lb/d≤ .0035 lb/d37043%
June 2026Copper, dissolved [as Cu], monthly average.17 lb/d≤ .0017 lb/d9900%
June 2026Copper, dissolved [as Cu], monthly average12 ug/L≤ 10.46 ug/L15%

Limits in force (35)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
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≤ 3.3 lb/dall year
Solids, total suspendeddaily maximum≤ 5 lb/dall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 1.7 lb/dall year
Oil & Greasedaily maximum≤ 2.5 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 14 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .9 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ .8 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.3 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 1.3 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 lb/dJan, Feb, Mar, Nov, Dec
Copper, dissolved [as Cu]monthly average≤ 10.46 ug/Lall year
Copper, dissolved [as Cu]daily maximum≤ 20.98 ug/Lall year
Copper, dissolved [as Cu]monthly average≤ .0017 lb/dall year
Copper, dissolved [as Cu]daily maximum≤ .0035 lb/dall year
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≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.3 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 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/AR0044628 · MCP: https://passage-data.com/mcp