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Shady Hills Utilities

Subdividers And Developers, Indianapolis, Indiana. NPDES permit IN0043559, in force until Aug 31, 2027. Last 12 months: over a limit 12 times (last March 2026), 2 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 27 days after each period: form A monthly (25 values)
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
3 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
December 2025Solids, total suspended, maximum weekly average4.168 lb/d≤ 3.3 lb/d26%
January 2026Solids, total suspended, monthly average3.131 lb/d≤ 2.2 lb/d42%
January 2026Solids, total suspended, maximum weekly average6.336 lb/d≤ 3.3 lb/d92%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average4.345 lb/d≤ 1.8 lb/d141%
February 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average17.19 lb/d≤ 2.7 lb/d537%
February 2026Nitrogen, ammonia total [as N], maximum weekly average.641 lb/d≤ .44 lb/d46%
February 2026Solids, total suspended, monthly average11.97 lb/d≤ 2.2 lb/d444%
February 2026Solids, total suspended, maximum weekly average47.47 lb/d≤ 3.3 lb/d1338%
March 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average4.565 lb/d≤ 2.7 lb/d69%
March 2026Solids, total suspended, monthly average2.523 lb/d≤ 2.2 lb/d15%
March 2026Solids, total suspended, maximum weekly average11.41 lb/d≤ 3.3 lb/d246%
March 2026Solids, total suspended, maximum weekly average30.4 mg/L≤ 18 mg/L69%

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 12 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 18 mg/Lall year
Solids, total suspendedmonthly average≤ 2.2 lb/dall year
Solids, total suspendedmaximum weekly average≤ 3.3 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.6 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ .2 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ .29 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ .29 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ .44 lb/dJan, Feb, Mar, Apr, Dec
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Chlorine, total residualmonthly average< .06 mg/LApr–Oct
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct
Chlorine, total residualdaily minimum≥ .5 mg/LApr–Oct
Chlorine, total residualdaily maximumreport only (mg/L)Apr–Oct
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.8 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 2.7 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

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

Same industry: the 109 Real Estate permits in Indiana.

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Your permit document is the final word. As JSON: /api/v1/permits/IN0043559 · MCP: https://passage-data.com/mcp