HOGBACK PROPERTY
NPDES ID: COX046043
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, 4 permit schedule violations.
Violations
June 30, 2026
Sulfate, total [as SO4]
3% over limit
Discharged 258 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Sulfate, total [as SO4]
17% over limit
Discharged 292 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Sulfate, total [as SO4]
5% over limit
Discharged 262 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Sulfate, total [as SO4]
7% over limit
Discharged 268 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Sulfate, total [as SO4]
3% over limit
Discharged 257 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Sulfate, total [as SO4]
3% over limit
Discharged 258 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)