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Harmony Grove Public School

Elementary And Secondary Schools, Camden, Arkansas. NPDES permit AR0050105 expired Oct 31, 2025; its limits still apply. Last 12 months: over a limit 7 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (4 values), form Q quarterly (15 values), form F quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 0 of 19 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], daily maximum33 mg/L≤ 15 mg/L120%
March 2026Nitrogen, ammonia total [as N], daily maximum4.99 lb/d≤ 1.9 lb/d163%
March 2026Nitrogen, ammonia total [as N], monthly average25.8 mg/L≤ 10 mg/L158%
April 2026Nitrogen, ammonia total [as N], daily maximum1.4 lb/d≤ .8 lb/d75%
April 2026Nitrogen, ammonia total [as N], daily maximum17.5 mg/L≤ 6.1 mg/L187%
April 2026Nitrogen, ammonia total [as N], monthly average.95 lb/d≤ .8 lb/d19%
April 2026Nitrogen, ammonia total [as N], monthly average17.5 mg/L≤ 6.1 mg/L187%

Limits in force (31)

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≤ 2.5 lb/dall year
Solids, total suspendeddaily maximum≤ 3.8 lb/dall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 1.3 lb/dall year
Oil & Greasedaily maximum≤ 1.9 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 6.1 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 6.1 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .8 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ .6 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.3 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .8 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 1.9 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
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≤ 23 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 2.8 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/AR0050105 · MCP: https://passage-data.com/mcp