NPDES ID: HI0021768
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: 1 effluent violation.
Violations
June 30, 2026
Nitrogen, ammonia total [as NH4]
57% over limit
Discharged 0.42000002 mg/L against a permitted limit of 0.26692001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as NH4]
211% over limit
Discharged 0.83000004 mg/L against a permitted limit of 0.26692001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as NH4]
132% over limit
Discharged 0.62000003 mg/L against a permitted limit of 0.26692001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.61962003 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as NH4]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.26692001 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.91713004 mg/L (MO AVG)
DMR, Limited - Overdue
August 31, 2024
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 102.2 deg F (DAILY MX)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 100.4 deg F (MO AVG)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 100.4 deg F (MO AVG)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 105.8 deg F (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (2 hours ago)