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Oak Brook Estates

Mobile Home Site Operators, Kokomo, Indiana. NPDES permit IN0031844, in force until Feb 28, 2030. Last 12 months: over a limit 16 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (19 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 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
November 2025Nitrogen, ammonia total [as N], maximum weekly average2.58 mg/L≤ 1.8 mg/L43%
February 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average74.17 mg/L≤ 40 mg/L85%
February 2026Nitrogen, ammonia total [as N], monthly average4.568 mg/L≤ 1.8 mg/L154%
February 2026Nitrogen, ammonia total [as N], maximum weekly average1.92 lb/d≤ 1.6 lb/d20%
February 2026Nitrogen, ammonia total [as N], maximum weekly average16.85 mg/L≤ 2.7 mg/L524%
February 2026Oxygen, dissolved [DO], daily average minimum3.57 mg/L≥ 5 mg/L29%
March 2026Nitrogen, ammonia total [as N], monthly average1.286 lb/d≤ 1.1 lb/d17%
March 2026Nitrogen, ammonia total [as N], monthly average9.557 mg/L≤ 1.8 mg/L431%
March 2026Nitrogen, ammonia total [as N], maximum weekly average2.82 lb/d≤ 1.6 lb/d76%
March 2026Nitrogen, ammonia total [as N], maximum weekly average22.13 mg/L≤ 2.7 mg/L720%
March 2026Oxygen, dissolved [DO], daily average minimum2.13 mg/L≥ 5 mg/L57%
April 2026Nitrogen, ammonia total [as N], maximum weekly average3.32 mg/L≤ 2.7 mg/L23%
May 2026Nitrogen, ammonia total [as N], monthly average1.849 mg/L≤ 1.2 mg/L54%
May 2026Nitrogen, ammonia total [as N], maximum weekly average3.11 mg/L≤ 1.8 mg/L73%
August 2026Nitrogen, ammonia total [as N], monthly average1.24 mg/L≤ 1.2 mg/L3%
August 2026Nitrogen, ammonia total [as N], maximum weekly average4.16 mg/L≤ 1.8 mg/L131%

Limits in force (32)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 18 mg/LMay–Nov
Solids, total suspendedmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 27 mg/LMay–Nov
Solids, total suspendedmonthly average≤ 17.5 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 10.5 lb/dMay–Nov
Solids, total suspendedmaximum weekly average≤ 26.3 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 15.8 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.8 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.7 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ .7 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.1 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.1 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.6 lb/dJan, Feb, Mar, Apr, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
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≤ 25 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 23 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 14.6 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8.8 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 23.4 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 13.4 lb/dMay–Nov
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/IN0031844 · MCP: https://passage-data.com/mcp