LITCHFIELD-HILLSBORO LANDFILL

NPDES ID: IL0075728

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 3 effluent violations.

Violations

April 30, 2026

Nitrogen, ammonia total [as N]

3% over limit

Discharged 12.5 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

525% over limit

Discharged 12.5 mg/L against a permitted limit of 2 mg/L (30DA AVG)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.26 SU against a permitted limit of 9 SU (MO MAX)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

124% over limit

Discharged 8.94 mg/L against a permitted limit of 4 mg/L (30DA AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

6% over limit

Discharged 8.94 mg/L against a permitted limit of 8.4 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2025

Temperature, water deg. fahrenheit

0% over limit

Discharged 0 deg F against a permitted limit of 0 deg F (QRTR MAX)

DMR, Monitor Only - Overdue

Temperature, water deg. fahrenheit

0% over limit

Discharged 0 deg F against a permitted limit of 0 deg F (QRTR MAX)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)