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Granite Hill MHP LLC - Granite Hill

Mobile Home Site Operators, Little Rock, Arkansas. NPDES permit AR0043931, in force until Jan 31, 2027. Last 12 months: over a limit 7 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (2 values), form Q quarterly (9 values), form F quarterly
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
14 values over a limit, 7 required values missing, 2 of 20 reports late

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

Period endingParameterReportedLimitOver by
December 2025Chlorine, total residual, instantaneous maximum.11 mg/L≤ .011 mg/L900%
March 2026Chlorine, total residual, instantaneous maximum.09 mg/L≤ .011 mg/L718%
June 2026Chlorine, total residual, instantaneous maximum.09 mg/L≤ .011 mg/L718%
July 2026Nitrogen, ammonia total [as N], daily maximum2.17 lb/d≤ .15 lb/d1347%
July 2026Nitrogen, ammonia total [as N], daily maximum29.8 mg/L≤ 7.5 mg/L297%
July 2026Nitrogen, ammonia total [as N], monthly average2.17 lb/d≤ .1 lb/d2070%
July 2026Nitrogen, ammonia total [as N], monthly average29.8 mg/L≤ 5 mg/L496%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LMay–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 5.6 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 8.4 lb/dJan, Feb, Mar, Apr, Nov, Dec
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 5.6 lb/dall year
Solids, total suspendeddaily maximum≤ 8.4 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ .1 lb/dMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ .15 lb/dMay–Oct
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≤ .011 mg/Lall year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day average≤ 2000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 38 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.7 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 7.1 lb/dMay–Oct

How strict are these limits?

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

Same industry: the 50 Real Estate permits in Arkansas.

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Your permit document is the final word. As JSON: /api/v1/permits/AR0043931 · MCP: https://passage-data.com/mcp