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Waste Water Management, Inc. - Oak Springs Subdivision

Subdividers And Developers, Conway, Arkansas. NPDES permit AR0053287, in force until Jul 31, 2027. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (27 values)
Renewal application due
Feb 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Phosphorus, total [as P], monthly average1.17 mg/L≤ 1 mg/L17%

Limits in force (38)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/LMay–Oct
Oxygen, dissolved [DO]instantaneous minimum≥ 5 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≤ 6.9 lb/dall year
Solids, total suspendeddaily maximum≤ 10.4 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.6 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.6 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 9 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.9 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 2.1 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 3.5 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1.9 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 3.1 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 lb/dJan, Feb, Mar, Nov, Dec
Nitrite + Nitrate total [as N]monthly average≤ 10 mg/Lall year
Nitrite + Nitrate total [as N]daily maximum≤ 15 mg/Lall year
Nitrite + Nitrate total [as N]monthly average≤ 3.5 lb/dall year
Nitrite + Nitrate total [as N]daily maximum≤ 5.2 lb/dall year
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]daily maximum≤ 1.5 mg/Lall year
Phosphorus, total [as P]monthly average≤ .3 lb/dall year
Phosphorus, total [as P]daily maximum≤ .5 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Sep
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
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≤ 5.2 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 8 lb/dall year

How strict are these limits?

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

Same industry: the 50 Real Estate permits in Arkansas.

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Your permit document is the final word. As JSON: /api/v1/permits/AR0053287 · MCP: https://passage-data.com/mcp