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Holiday Island Suburban Improvement District WWTP

Sewage treatment plant, Holiday Island, Arkansas. NPDES permit AR0037249, in force until Mar 31, 2027. Last 12 months: over a limit 12 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (25 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, instantaneous maximum.9 mg/L≤ .1 mg/L800%
November 2025Chlorine, total residual, instantaneous maximum.8 mg/L≤ .1 mg/L700%
December 2025Chlorine, total residual, instantaneous maximum1 mg/L≤ .1 mg/L900%
December 2025Nitrogen, ammonia total [as N], 7-day average14 mg/L≤ 7.5 mg/L87%
January 2026Chlorine, total residual, instantaneous maximum1.1 mg/L≤ .1 mg/L1000%
February 2026Chlorine, total residual, instantaneous maximum.9 mg/L≤ .1 mg/L800%
March 2026Chlorine, total residual, instantaneous maximum.9 mg/L≤ .1 mg/L800%
April 2026Chlorine, total residual, instantaneous maximum.9 mg/L≤ .1 mg/L800%
May 2026Chlorine, total residual, instantaneous maximum.9 mg/L≤ .1 mg/L800%
June 2026Chlorine, total residual, instantaneous maximum.9 mg/L≤ .1 mg/L800%
July 2026Chlorine, total residual, instantaneous maximum.8 mg/L≤ .1 mg/L700%
August 2026Chlorine, total residual, instantaneous maximum1 mg/L≤ .1 mg/L900%

Limits in force (30)

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 suspended7-day average≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 62.6 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 3.9 mg/LApr–Oct
Nitrogen, ammonia total [as N]7-day average≤ 7.5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 16.3 lb/dApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 20.9 lb/dJan, Feb, Mar, Nov, Dec
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]7-day averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 2.1 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 generalmonthly geometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalmonthly geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Sep
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, 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≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 41.7 lb/dall 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/AR0037249 · MCP: https://passage-data.com/mcp