Passage Data · Check a report · Use it from your AI

Brooklyn WWTP, Town of

Sewage treatment plant, Brooklyn, Indiana. NPDES permit IN0039772, in force until May 31, 2027. Last 12 months: over a limit 18 times (last August 2026), 11 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (25 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
1 value over a limit, 7 required values missing, 3 of 12 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], monthly average1.939 mg/L≤ 1 mg/L94%
November 2025Phosphorus, total [as P], monthly average1.314 mg/L≤ 1 mg/L31%
December 2025Phosphorus, total [as P], monthly average1.895 mg/L≤ 1 mg/L90%
December 2025pH, daily minimum4.4 SU≥ 6 SU—
January 2026Phosphorus, total [as P], monthly average1.3785 mg/L≤ 1 mg/L38%
February 2026Phosphorus, total [as P], monthly average1.294 mg/L≤ 1 mg/L29%
April 2026Chlorine, total residual, daily maximum1.18 mg/L< .06 mg/L1867%
April 2026Chlorine, total residual, monthly average.342 mg/L< .06 mg/L470%
April 2026Oxygen, dissolved [DO], daily average minimum3.27 mg/L≥ 4 mg/L18%
May 2026Chlorine, total residual, daily maximum1.59 mg/L< .06 mg/L2550%
May 2026Chlorine, total residual, monthly average.573 mg/L< .06 mg/L855%
May 2026Oxygen, dissolved [DO], daily average minimum3.11 mg/L≥ 4 mg/L22%
June 2026Chlorine, total residual, daily maximum.23 mg/L< .06 mg/L283%
June 2026Chlorine, total residual, monthly average.069 mg/L< .06 mg/L15%
July 2026Chlorine, total residual, daily minimum0 mg/L≥ .5 mg/L100%
July 2026Chlorine, total residual, daily maximum.06 mg/L< .06 mg/L0%
August 2026Chlorine, total residual, daily minimum0 mg/L≥ .5 mg/L100%
August 2026E. coli, colony forming units [CFU], daily maximum2419 CFU/100mL≤ 235 CFU/100mL929%

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 4 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 85.1 lb/dall year
Solids, total suspendedmaximum weekly average≤ 127.7 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 9.6 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 10.2 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.4 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 15.3 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 27.2 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 28.9 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 40.9 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 43.4 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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 70.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 113.5 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.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0039772 · MCP: https://passage-data.com/mcp