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City of Perryville

Airports, Flying Fields, & Services, Perryville, Missouri. NPDES permit MO0098957, in force until Dec 31, 2030. Last 12 months: no values over a limit, 18 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (2 values), outfall 001 form Q quarterly, outfall INF form IQ quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LOct–Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr–Jun001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. coli7-day geometric mean≤ 1030 #/100mLApr–Dec001
E. coli30-day geometric mean≤ 206 #/100mLApr–Dec001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF

How strict are these limits?

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

Same industry: the 9 Transportation by Air permits in Missouri.

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Your permit document is the final word. As JSON: /api/v1/permits/MO0098957 · MCP: https://passage-data.com/mcp