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Iowa Department of Natural Resources

Trailer Parks And Campsites, Drakesville, Iowa. NPDES permit IA0076694, in force until May 31, 2029. Last 12 months: no values over a limit, 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (16 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 103 required values missing, 6 of 12 reports late

Limits in force (60)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 1 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 80 mg/Lall year
Solids, total suspended7-day average≤ 120 mg/Lall year
Solids, total suspended30-day average≤ 8 lb/dall year
Solids, total suspended7-day average≤ 12 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 3.6 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 6 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 2.2 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 4.1 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 3 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 5.3 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 1.2 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 4.7 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 7.6 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 7.4 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 8.7 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 6.6 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 12.5 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ .2 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ .36 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ .61 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ .15 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ .23 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ .42 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ .11 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ .31 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ .17 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ .54 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ .13 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ .48 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ .77 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ .7 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 1.52 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ .79 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ .75 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ .89 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ .67 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ .7 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ .7 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 1.27 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ .81 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 1.02 lb/dMar
E. coligeometric mean≤ 688 #/100mLMar–Nov
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day average≤ 3 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 4 lb/dall year

New limits from Oct 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia total [as N], 30-day average0.16 lb/d (Oct)tighter——
Nitrogen, ammonia total [as N], 30-day average1.6 mg/L (Oct)tighter——
Nitrogen, ammonia total [as N], 30-day average0.25 lb/d (Dec)tighter——
Nitrogen, ammonia total [as N], 30-day average2.5 mg/L (Dec)tighter——
Nitrogen, ammonia total [as N], 30-day average0.41 lb/d (Feb)tighter——
Nitrogen, ammonia total [as N], 30-day average4 mg/L (Feb)tighter——
Nitrogen, ammonia total [as N], 30-day average0.11 lb/d (Sep)tighter——
Nitrogen, ammonia total [as N], 30-day average0.1 lb/d (Aug)tighter——
Nitrogen, ammonia total [as N], 30-day average1 mg/L (Aug)tighter——
Nitrogen, ammonia total [as N], 30-day average1.1 mg/L (Sep)tighter——
Nitrogen, ammonia total [as N], 30-day average2.4 mg/L (Nov)tighter——
Nitrogen, ammonia total [as N], 30-day average0.24 lb/d (Nov)tighter——
Nitrogen, ammonia total [as N], 30-day average1.4 mg/L (Jun)tighter——
Nitrogen, ammonia total [as N], 30-day average0.14 lb/d (Jun)tighter——
Nitrogen, ammonia total [as N], 30-day average1.6 mg/L (Apr)tighter——
Nitrogen, ammonia total [as N], 30-day average0.16 lb/d (Apr)tighter——
Nitrogen, ammonia total [as N], 30-day average3.4 mg/L (Jan)tighter——
Nitrogen, ammonia total [as N], 30-day average0.35 lb/d (Jan)tighter——
Nitrogen, ammonia total [as N], 30-day average0.35 lb/d (Mar)tighter——
Nitrogen, ammonia total [as N], 30-day average3.4 mg/L (Mar)tighter——
Nitrogen, ammonia total [as N], 30-day average0.18 lb/d (May)tighter——
Nitrogen, ammonia total [as N], 30-day average1.8 mg/L (May)tighter——
Nitrogen, ammonia total [as N], 30-day average0.11 lb/d (Jul)tighter——
Nitrogen, ammonia total [as N], 30-day average1 mg/L (Jul)tighter——
Nitrogen, ammonia total [as N], daily maximum2.7 mg/L (Oct)tighter——
Nitrogen, ammonia total [as N], daily maximum0.28 lb/d (Oct)tighter——
Nitrogen, ammonia total [as N], daily maximum0.4 lb/d (Dec)tighter——
Nitrogen, ammonia total [as N], daily maximum3.9 mg/L (Dec)tighter——
Nitrogen, ammonia total [as N], daily maximum8.5 mg/L (Feb)tighter——
Nitrogen, ammonia total [as N], daily maximum0.86 lb/d (Feb)tighter——
Nitrogen, ammonia total [as N], daily maximum2.8 mg/L (Aug)tighter——
Nitrogen, ammonia total [as N], daily maximum0.28 lb/d (Aug)tighter——
Nitrogen, ammonia total [as N], daily maximum2.7 mg/L (Sep)tighter——
Nitrogen, ammonia total [as N], daily maximum0.28 lb/d (Sep)tighter——
Nitrogen, ammonia total [as N], daily maximum2.7 mg/L (Nov)tighter——
Nitrogen, ammonia total [as N], daily maximum0.27 lb/d (Nov)tighter——
Nitrogen, ammonia total [as N], daily maximum3.3 mg/L (Jun)tighter——
Nitrogen, ammonia total [as N], daily maximum0.34 lb/d (Jun)tighter——
Nitrogen, ammonia total [as N], daily maximum0.49 lb/d (Apr)tighter——
Nitrogen, ammonia total [as N], daily maximum4.8 mg/L (Apr)tighter——
Nitrogen, ammonia total [as N], daily maximum0.4 lb/d (Mar)tighter——
Nitrogen, ammonia total [as N], daily maximum3.9 mg/L (Mar)tighter——
Nitrogen, ammonia total [as N], daily maximum3.3 mg/L (May)tighter——
Nitrogen, ammonia total [as N], daily maximum0.33 lb/d (May)tighter——
Nitrogen, ammonia total [as N], daily maximum0.34 lb/d (Jul)tighter——
Nitrogen, ammonia total [as N], daily maximum3.3 mg/L (Jul)tighter——

How strict are these limits?

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

Same industry: the 44 Hotels, Rooming Houses, Camps and Other Lodging permits in Iowa.

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