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U.S. Army Corps of Engineers - Iron Mountain Recreation Area, DeGray Lake

Federal facility (Sporting And Recreational Camps), Arkadelphia, Arkansas. NPDES permit AR0020222, in force until Nov 30, 2029. Last 12 months: over a limit 2 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (9 values), form Q quarterly (11 values), form F quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 19 reports late

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

Period endingParameterReportedLimit
December 2025Coliform, fecal general, 30-day geometric mean> 2419.6 #/100mL≤ 200 #/100mL
December 2025Coliform, fecal general, 7-day geometric mean> 2419.6 #/100mL≤ 200 #/100mL

Limits in force (32)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 1.8 lb/dall year
Solids, total suspendeddaily maximum≤ 2.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ .61 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 1.71 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .61 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ .61 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 1.71 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .61 lb/dMay–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ .12 lb/dall year
Phosphorus, total [as P]daily maximum≤ .12 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
Chlorine, total residualinstantaneous maximum< .1 mg/Lall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 200 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.2 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1.8 lb/dall year

How strict are these limits?

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

Same industry: the 55 Hotels, Rooming Houses, Camps and Other Lodging 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/AR0020222 · MCP: https://passage-data.com/mcp