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BANKS, CITY OF-Tinsman, AR Wastewater Treatment Facility

Sewage treatment plant, Tinsman, Arkansas. NPDES permit AR0050661, in force until Jul 31, 2031. Last 12 months: over a limit 20 times (last August 2026), 36 required values missing, 11 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (18 values), form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 8 of 12 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025pH, minimum2.18 SU≥ 6 SU—
November 2025pH, minimum5.78 SU≥ 6 SU—
January 2026Solids, total suspended, 7-day average167 mg/L≤ 30 mg/L457%
January 2026Solids, total suspended, monthly average167 mg/L≤ 20 mg/L735%
January 2026Solids, total suspended, monthly average3.59 lb/d≤ 2.3 lb/d56%
January 2026pH, maximum12.17 SU≤ 9 SU—
April 2026Solids, total suspended, 7-day average255.5 mg/L≤ 30 mg/L752%
April 2026Solids, total suspended, monthly average255.5 mg/L≤ 20 mg/L1178%
April 2026Solids, total suspended, monthly average5.41 lb/d≤ 2.3 lb/d135%
May 2026Solids, total suspended, 7-day average616 mg/L≤ 30 mg/L1953%
May 2026Solids, total suspended, 7-day average616 mg/L≤ 30 mg/L1953%
May 2026Solids, total suspended, monthly average13.2 lb/d≤ 2.3 lb/d474%
May 2026Solids, total suspended, monthly average13.2 lb/d≤ 2.3 lb/d474%
May 2026Solids, total suspended, monthly average616 mg/L≤ 20 mg/L2980%
May 2026Solids, total suspended, monthly average616 mg/L≤ 20 mg/L2980%
May 2026pH, maximum9.27 SU≤ 9 SU—
July 2026Solids, total suspended, monthly average30 mg/L≤ 20 mg/L50%
July 2026pH, minimum1.97 SU≥ 6 SU—
August 2026E. coli, 7-day geometric mean1105 #/100mL≤ 410 #/100mL170%
August 2026E. coli, monthly geometric mean1105 #/100mL≤ 126 #/100mL777%

Limits in force (32)

ParameterStatisticLimitMonths
Flow rateaveragereport only (%)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/LJan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]instantaneous minimum≥ 4 mg/LMay–Oct
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspended7-day average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 2.3 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 6.1 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]7-day average≤ 6.1 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 9 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .7 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ .7 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.1 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
E. colimonthly geometric mean≤ 126 #/100mLApr–Oct
E. colimonthly geometric mean≤ 630 #/100mLJan, Feb, Mar, Nov, Dec
E. coli7-day geometric mean≤ 410 #/100mLApr–Oct
E. coli7-day geometric mean≤ 2050 #/100mLJan, Feb, Mar, Nov, Dec
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≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day average≤ 23 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.3 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.7 lb/dMay–Oct
Flow, totalannual averagereport only (MGD)all year

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/AR0050661 · MCP: https://passage-data.com/mcp