WESTERN BOONE JR/SR HIGH SCH

NPDES ID: IN0041157

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 2 effluent violations.

Violations

June 30, 2026

Nitrogen, ammonia total [as N]

40% over limit

Discharged 1.82 mg/L against a permitted limit of 1.3 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

16% over limit

Discharged 1.28 mg/L against a permitted limit of 1.1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Nitrogen, ammonia total [as N]

90% over limit

Discharged 4.57 mg/L against a permitted limit of 2.4 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

22% over limit

Discharged 0.276486 kg/d against a permitted limit of 0.227 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1513% over limit

Discharged 38.7 mg/L against a permitted limit of 2.4 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

21% over limit

Discharged 0.4396082 kg/d against a permitted limit of 0.3632 kg/d (MX WK AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

1313% over limit

Discharged 22.6 mg/L against a permitted limit of 1.6 mg/L (MO AVG)

DMR, Limited - Numeric Violation

August 31, 2025

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.0037 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

July 31, 2025

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.011 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

June 30, 2025

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.0032 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

January 31, 2025

Nitrogen, ammonia total [as N]

88% over limit

Discharged 3.015 mg/L against a permitted limit of 1.6 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

203% over limit

Discharged 7.28 mg/L against a permitted limit of 2.4 mg/L (MX WK AV)

DMR, Limited - Numeric Violation

October 31, 2024

E. coli, colony forming units [CFU]

Limit violation

Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

August 31, 2024

E. coli, colony forming units [CFU]

930% over limit

Discharged 2420 MPN/100mL against a permitted limit of 235 MPN/100mL (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (4 hours ago)