HOLIDAY ISLAND SUBURBAN IMPROVEMENT DISTRICT WWTP
NPDES ID: AR0037249
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
May 31, 2026
Chlorine, total residual
800% over limit
Discharged 0.9 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
800% over limit
Discharged 0.9 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
800% over limit
Discharged 0.9 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
800% over limit
Discharged 0.9 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
1000% over limit
Discharged 1.1 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
87% over limit
Discharged 14 mg/L against a permitted limit of 7.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
900% over limit
Discharged 1 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
700% over limit
Discharged 0.8 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
800% over limit
Discharged 0.9 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
900% over limit
Discharged 1 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
August 31, 2025
Chlorine, total residual
600% over limit
Discharged 0.7 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
July 31, 2025
Chlorine, total residual
700% over limit
Discharged 0.8 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
June 30, 2025
Chlorine, total residual
700% over limit
Discharged 0.8 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
May 31, 2025
Chlorine, total residual
800% over limit
Discharged 0.9 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
1000% over limit
Discharged 1.1 mg/L against a permitted limit of 0.1 mg/L (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)