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Southside Public Water Authority Wastewater Treatment Plant

Sewage treatment plant, Independence County, Arkansas. NPDES permit AR0050784, in force until Sep 30, 2029. Last 12 months: no values over a limit, 1 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 5 days after each period: form A monthly (4 values), form Q quarterly (8 values), form F quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 23 reports late

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspended7-day average≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 31.3 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.4 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 5.4 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 5.4 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 11.3 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 8.1 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 10.5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 14.6 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≤ 200 #/100mLJul–Sep
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLOct–Dec
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay, Jun
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan–Apr
Coliform, fecal general7-day geometric mean≤ 400 #/100mLJul–Sep
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLOct–Dec
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay, Jun
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan–Apr
Overflowsmonthly totalreport only (occur/mo)all year
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day average≤ 12 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20.9 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 16.7 lb/dMay–Oct

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0050784 · MCP: https://passage-data.com/mcp