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Lake City, City of

Sewage treatment plant, Lake City, Arkansas. NPDES permit AR0034134 expired Dec 31, 2025; its limits still apply. Last 12 months: over a limit 132 times (last August 2026), 12 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (19 values), form A1 monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
138 values over a limit, 4 required values missing, 8 of 24 reports late

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

All 132 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], 7-day average176.4 mg/L≤ 22.5 mg/L684%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average170.6 mg/L≤ 15 mg/L1037%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average437.9 lb/d≤ 39.3 lb/d1014%
October 2025Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
October 2025Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
October 2025Nitrogen, ammonia total [as N], 7-day average34.9 mg/L≤ 6 mg/L482%
October 2025Nitrogen, ammonia total [as N], monthly average30.6 mg/L≤ 4 mg/L665%
October 2025Nitrogen, ammonia total [as N], monthly average78.62 lb/d≤ 10.5 lb/d649%
October 2025Oxygen, dissolved [DO], instantaneous minimum< 1 mg/L≥ 5 mg/L—
October 2025Solids, total suspended, 7-day average47 mg/L≤ 22.5 mg/L109%
October 2025Solids, total suspended, monthly average102.1 lb/d≤ 39.3 lb/d160%
October 2025Solids, total suspended, monthly average40 mg/L≤ 15 mg/L167%
November 2025BOD, carbonaceous [5 day, 20 C], 7-day average215.3 mg/L≤ 22.5 mg/L857%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average208 mg/L≤ 15 mg/L1287%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average585.7 lb/d≤ 39.3 lb/d1390%
November 2025Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
November 2025Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
November 2025Nitrogen, ammonia total [as N], 7-day average43.3 mg/L≤ 14.7 mg/L195%
November 2025Nitrogen, ammonia total [as N], monthly average108.93 lb/d≤ 26.2 lb/d316%
November 2025Nitrogen, ammonia total [as N], monthly average38.8 mg/L≤ 10 mg/L288%
November 2025Oxygen, dissolved [DO], instantaneous minimum< 1 mg/L≥ 5 mg/L—
November 2025Solids, total suspended, 7-day average62 mg/L≤ 22.5 mg/L176%
November 2025Solids, total suspended, monthly average134.4 lb/d≤ 39.3 lb/d242%
November 2025Solids, total suspended, monthly average48 mg/L≤ 15 mg/L220%
December 2025BOD, carbonaceous [5 day, 20 C], 7-day average224.3 mg/L≤ 22.5 mg/L897%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average219.7 mg/L≤ 15 mg/L1365%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average633.8 lb/d≤ 39.3 lb/d1513%
December 2025Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
December 2025Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
December 2025Nitrogen, ammonia total [as N], 7-day average42.7 mg/L≤ 14.7 mg/L190%
December 2025Nitrogen, ammonia total [as N], monthly average117.45 lb/d≤ 26.2 lb/d348%
December 2025Nitrogen, ammonia total [as N], monthly average40.7 mg/L≤ 10 mg/L307%
December 2025Oxygen, dissolved [DO], instantaneous minimum1.12 mg/L≥ 5 mg/L78%
December 2025Solids, total suspended, 7-day average64.3 mg/L≤ 22.5 mg/L186%
December 2025Solids, total suspended, monthly average156.3 lb/d≤ 39.3 lb/d298%
December 2025Solids, total suspended, monthly average54.2 mg/L≤ 15 mg/L261%
January 2026BOD, carbonaceous [5 day, 20 C], 7-day average253.3 mg/L≤ 22.5 mg/L1026%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average240.4 mg/L≤ 15 mg/L1503%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average645.8 lb/d≤ 39.3 lb/d1543%
January 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
January 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
January 2026Nitrogen, ammonia total [as N], 7-day average33.8 mg/L≤ 14.7 mg/L130%
January 2026Nitrogen, ammonia total [as N], monthly average33 mg/L≤ 10 mg/L230%
January 2026Nitrogen, ammonia total [as N], monthly average88.57 lb/d≤ 26.2 lb/d238%
January 2026Oxygen, dissolved [DO], instantaneous minimum1.41 mg/L≥ 5 mg/L72%
January 2026Solids, total suspended, 7-day average93 mg/L≤ 22.5 mg/L313%
January 2026Solids, total suspended, monthly average193.7 lb/d≤ 39.3 lb/d393%
January 2026Solids, total suspended, monthly average71.5 mg/L≤ 15 mg/L377%
February 2026BOD, carbonaceous [5 day, 20 C], 7-day average264.7 mg/L≤ 22.5 mg/L1076%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average263.8 mg/L≤ 15 mg/L1659%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average833.8 lb/d≤ 39.3 lb/d2022%
February 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
February 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
February 2026Nitrogen, ammonia total [as N], 7-day average31 mg/L≤ 14.7 mg/L111%
February 2026Nitrogen, ammonia total [as N], monthly average30.1 mg/L≤ 10 mg/L201%
February 2026Nitrogen, ammonia total [as N], monthly average95.14 lb/d≤ 26.2 lb/d263%
February 2026Oxygen, dissolved [DO], instantaneous minimum1.09 mg/L≥ 5 mg/L78%
February 2026Solids, total suspended, 7-day average60 mg/L≤ 22.5 mg/L167%
February 2026Solids, total suspended, monthly average180.2 lb/d≤ 39.3 lb/d359%
February 2026Solids, total suspended, monthly average57 mg/L≤ 15 mg/L280%
March 2026BOD, carbonaceous [5 day, 20 C], 7-day average300.9 mg/L≤ 22.5 mg/L1237%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average273 mg/L≤ 15 mg/L1720%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average771.3 lb/d≤ 39.3 lb/d1863%
March 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
March 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
March 2026Nitrogen, ammonia total [as N], 7-day average39 mg/L≤ 14.7 mg/L165%
March 2026Nitrogen, ammonia total [as N], monthly average106.36 lb/d≤ 26.2 lb/d306%
March 2026Nitrogen, ammonia total [as N], monthly average37.7 mg/L≤ 10 mg/L277%
March 2026Oxygen, dissolved [DO], instantaneous minimum2.61 mg/L≥ 5 mg/L48%
March 2026Solids, total suspended, 7-day average66 mg/L≤ 22.5 mg/L193%
March 2026Solids, total suspended, monthly average177.8 lb/d≤ 39.3 lb/d352%
March 2026Solids, total suspended, monthly average63 mg/L≤ 15 mg/L320%
April 2026BOD, carbonaceous [5 day, 20 C], 7-day average272.8 mg/L≤ 22.5 mg/L1112%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average1442.6 lb/d≤ 39.3 lb/d3571%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average261.1 mg/L≤ 15 mg/L1641%
April 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
April 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
April 2026Nitrogen, ammonia total [as N], 7-day average27.5 mg/L≤ 5.2 mg/L429%
April 2026Nitrogen, ammonia total [as N], monthly average148.84 lb/d≤ 13.6 lb/d994%
April 2026Nitrogen, ammonia total [as N], monthly average26.8 mg/L≤ 5.2 mg/L415%
April 2026Oxygen, dissolved [DO], instantaneous minimum< 1 mg/L≥ 5 mg/L—
April 2026Solids, total suspended, 7-day average79 mg/L≤ 22.5 mg/L251%
April 2026Solids, total suspended, monthly average377.1 lb/d≤ 39.3 lb/d860%
April 2026Solids, total suspended, monthly average70.5 mg/L≤ 15 mg/L370%
May 2026BOD, carbonaceous [5 day, 20 C], 7-day average261.7 mg/L≤ 22.5 mg/L1063%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average253.3 mg/L≤ 15 mg/L1589%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average545 lb/d≤ 39.3 lb/d1287%
May 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
May 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
May 2026Nitrogen, ammonia total [as N], 7-day average43.2 mg/L≤ 6 mg/L620%
May 2026Nitrogen, ammonia total [as N], monthly average41.5 mg/L≤ 4 mg/L938%
May 2026Nitrogen, ammonia total [as N], monthly average89.19 lb/d≤ 10.5 lb/d749%
May 2026Oxygen, dissolved [DO], instantaneous minimum1.08 mg/L≥ 5 mg/L78%
May 2026Solids, total suspended, 7-day average62 mg/L≤ 22.5 mg/L176%
May 2026Solids, total suspended, monthly average116.2 lb/d≤ 39.3 lb/d196%
May 2026Solids, total suspended, monthly average54 mg/L≤ 15 mg/L260%
June 2026BOD, carbonaceous [5 day, 20 C], 7-day average230.8 mg/L≤ 22.5 mg/L926%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average219.9 mg/L≤ 15 mg/L1366%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average549.8 lb/d≤ 39.3 lb/d1299%
June 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
June 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
June 2026Nitrogen, ammonia total [as N], 7-day average37.5 mg/L≤ 6 mg/L525%
June 2026Nitrogen, ammonia total [as N], monthly average34.5 mg/L≤ 4 mg/L763%
June 2026Nitrogen, ammonia total [as N], monthly average86.1 lb/d≤ 10.5 lb/d720%
June 2026Oxygen, dissolved [DO], instantaneous minimum1.22 mg/L≥ 5 mg/L76%
June 2026Solids, total suspended, 7-day average76.4 mg/L≤ 22.5 mg/L240%
June 2026Solids, total suspended, monthly average169.9 lb/d≤ 39.3 lb/d332%
June 2026Solids, total suspended, monthly average68.2 mg/L≤ 15 mg/L355%
July 2026BOD, carbonaceous [5 day, 20 C], 7-day average210.7 mg/L≤ 22.5 mg/L836%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average122.2 mg/L≤ 15 mg/L715%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average291.4 lb/d≤ 39.3 lb/d641%
July 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
July 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
July 2026Nitrogen, ammonia total [as N], 7-day average38.9 mg/L≤ 6 mg/L548%
July 2026Nitrogen, ammonia total [as N], monthly average37 mg/L≤ 4 mg/L825%
July 2026Nitrogen, ammonia total [as N], monthly average88.13 lb/d≤ 10.5 lb/d739%
July 2026Oxygen, dissolved [DO], instantaneous minimum< 1 mg/L≥ 5 mg/L—
July 2026Solids, total suspended, 7-day average68 mg/L≤ 22.5 mg/L202%
July 2026Solids, total suspended, monthly average155 lb/d≤ 39.3 lb/d294%
July 2026Solids, total suspended, monthly average65 mg/L≤ 15 mg/L333%
August 2026BOD, carbonaceous [5 day, 20 C], 7-day average280.2 mg/L≤ 22.5 mg/L1145%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average240.4 mg/L≤ 15 mg/L1503%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average439.1 lb/d≤ 39.3 lb/d1017%
August 2026Coliform, fecal general, 30-day geometric mean> 2000 #/100mL≤ 1000 #/100mL—
August 2026Coliform, fecal general, 7-day geometric mean> 2000 #/100mL≤ 2000 #/100mL—
August 2026Nitrogen, ammonia total [as N], 7-day average36 mg/L≤ 6 mg/L500%
August 2026Nitrogen, ammonia total [as N], monthly average35.1 mg/L≤ 4 mg/L778%
August 2026Nitrogen, ammonia total [as N], monthly average64.11 lb/d≤ 10.5 lb/d511%
August 2026Oxygen, dissolved [DO], instantaneous minimum< 1 mg/L≥ 5 mg/L—
August 2026Solids, total suspended, 7-day average168 mg/L≤ 22.5 mg/L647%
August 2026Solids, total suspended, monthly average117.8 mg/L≤ 15 mg/L685%
August 2026Solids, total suspended, monthly average215.1 lb/d≤ 39.3 lb/d447%

Limits in force (49)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspended7-day average≤ 22.5 mg/Lall year
Solids, total suspended1-hour average≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 39.3 lb/dall year
Solids, total suspendedmonthly average≤ 62.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 4 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≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 13.6 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 26.2 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 10.5 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 21.7 lb/dApr
Nitrogen, ammonia total [as N]monthly average≤ 16.7 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 41.7 lb/dJan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum≤ .011 mg/Lall year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
Overflowsmonthly totalreport only (occur/mo)all year
Overflowsmonthly totalreport only (occur/mo)all year
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 22.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 23 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 39.3 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62.6 lb/dall year

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/AR0034134 · MCP: https://passage-data.com/mcp