FAIRFIELD WATERWORKS
NPDES ID: IA0082325
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 4 effluent violations.
Violations
May 31, 2026
Sulfate, total [as SO4]
25% over limit
Discharged 1900 mg/L against a permitted limit of 1514 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
24% over limit
Discharged 1238.82116359 kg/d against a permitted limit of 1002.88599157 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
25% over limit
Discharged 1900 mg/L against a permitted limit of 1514 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
24% over limit
Discharged 1238.82116359 kg/d against a permitted limit of 1002.88599157 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Sulfate, total [as SO4]
0% over limit
Discharged 0 mg/L against a permitted limit of 1514 mg/L (DAILY MX)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 0 kg/d against a permitted limit of 1002.88599157 kg/d (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 389 mg/L (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.1 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 29.82779975 kg/d (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 416.7719965 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 0 mg/L against a permitted limit of 1514 mg/L (30DA AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 629 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 19.88519983 kg/d (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 0 kg/d against a permitted limit of 1002.88599157 kg/d (30DA AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 257.41799784 kg/d (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 1.77059999 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.68099999 kg/d (30DA AVG)
DMR, Limited - Overdue
July 31, 2024
Sulfate, total [as SO4]
23% over limit
Discharged 1228.59799168 kg/d against a permitted limit of 1002.88599157 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
23% over limit
Discharged 1228.59799168 kg/d against a permitted limit of 1002.88599157 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chloride [as Cl]
39% over limit
Discharged 358.34110739 kg/d against a permitted limit of 257.41799784 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)