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Walmart Inc. - Walmart Supercenter #5433

Miscellaneous General Merchandise Stores, Hot Springs Village, Arkansas. NPDES permit AR0050733, in force until May 31, 2027. Last 12 months: over a limit 16 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (24 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
53 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 16 values over a limit
Period endingParameterReportedLimitOver by
December 2025Coliform, fecal general, 7-day geometric mean6896 #/100mL≤ 2000 #/100mL245%
January 2026Oxygen, dissolved [DO], instantaneous minimum2.8 mg/L≥ 5 mg/L44%
February 2026Nitrogen, ammonia total [as N], monthly average9 mg/L≤ 8 mg/L13%
March 2026Oxygen, dissolved [DO], instantaneous minimum2.32 mg/L≥ 5 mg/L54%
April 2026Coliform, fecal general, 7-day geometric mean2400 #/100mL≤ 2000 #/100mL20%
April 2026Nitrogen, ammonia total [as N], daily maximum.4 lb/d≤ .3 lb/d33%
April 2026Nitrogen, ammonia total [as N], daily maximum22 mg/L≤ 5.2 mg/L323%
April 2026Nitrogen, ammonia total [as N], monthly average17 mg/L≤ 5.2 mg/L227%
April 2026Oxygen, dissolved [DO], instantaneous minimum3 mg/L≥ 5 mg/L40%
May 2026BOD, carbonaceous [5 day, 20 C], daily maximum36 mg/L≤ 15 mg/L140%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average13.7 mg/L≤ 10 mg/L37%
May 2026Nitrogen, ammonia total [as N], daily maximum11 mg/L≤ 7.5 mg/L47%
June 2026Nitrogen, ammonia total [as N], daily maximum10 mg/L≤ 7.5 mg/L33%
June 2026Nitrogen, ammonia total [as N], monthly average8 mg/L≤ 5 mg/L60%
August 2026Nitrogen, ammonia total [as N], daily maximum9.1 mg/L≤ 7.5 mg/L21%
August 2026Nitrogen, ammonia total [as N], monthly average6.2 mg/L≤ 5 mg/L24%

Limits in force (40)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 22.5 mg/LMay–Oct
Solids, total suspendeddaily maximum≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ .8 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 1 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 1.1 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 1.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ .5 lb/dall year
Oil & Greasedaily maximum≤ .8 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 8 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 12 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ .3 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ .4 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .3 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ .4 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ .6 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .3 lb/dApr
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 maximumreport only (mg/L)all year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 22.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ .8 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ .5 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1.1 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ .8 lb/dMay–Oct

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0050733 · MCP: https://passage-data.com/mcp