BLACK WARRIOR ROOFING
NPDES ID: ALG020007
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: 5 effluent violations.
Violations
May 31, 2026
Chlorine, total residual
689% over limit
Discharged 0.15 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1082% over limit
Discharged 0.13 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
582% over limit
Discharged 0.075 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.68 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
532% over limit
Discharged 0.12 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
1127% over limit
Discharged 0.135 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1005% over limit
Discharged 0.21 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
3445% over limit
Discharged 0.39 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2847% over limit
Discharged 0.56 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
900% over limit
Discharged 0.11 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.5 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
742% over limit
Discharged 0.16 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
382% over limit
Discharged 0.053 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
374% over limit
Discharged 0.09 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
216% over limit
Discharged 0.06 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.61 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 5.81 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
July 31, 2025
Chlorine, total residual
5400% over limit
Discharged 0.605 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
5268% over limit
Discharged 1.02 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
689% over limit
Discharged 0.15 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
945% over limit
Discharged 0.115 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
4% over limit
Discharged 93.56 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
536% over limit
Discharged 0.07 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Overdue
Chlorine, total residual
268% over limit
Discharged 0.07 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 0 SU against a permitted limit of 8.5 SU (DAILY MX)
DMR, Limited - Overdue
May 31, 2025
Chlorine, total residual
216% over limit
Discharged 0.06 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
6216% over limit
Discharged 1.2 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.72 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
8400% over limit
Discharged 0.935 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
1111% over limit
Discharged 0.23 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
16173% over limit
Discharged 1.79 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
9953% over limit
Discharged 1.91 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.79 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
536% over limit
Discharged 0.07 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Chlorine, total residual
4058% over limit
Discharged 0.79 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
6082% over limit
Discharged 0.68 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.67 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
February 28, 2025
Chlorine, total residual
9082% over limit
Discharged 1.01 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
795% over limit
Discharged 0.17 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1127% over limit
Discharged 0.135 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
5216% over limit
Discharged 1.01 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
900% over limit
Discharged 0.19 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
584% over limit
Discharged 0.13 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
764% over limit
Discharged 0.095 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
809% over limit
Discharged 0.1 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 5.57 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
3082% over limit
Discharged 0.35 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1742% over limit
Discharged 0.35 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
pH
0% over limit
Discharged 5.61 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
900% over limit
Discharged 0.19 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
6795% over limit
Discharged 1.31 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1082% over limit
Discharged 0.13 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
7082% over limit
Discharged 0.79 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Chlorine, total residual
9216% over limit
Discharged 1.77 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
9582% over limit
Discharged 1.065 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1584% over limit
Discharged 0.32 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1018% over limit
Discharged 0.123 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
17445% over limit
Discharged 1.93 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
12847% over limit
Discharged 2.46 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Chlorine, total residual
9268% over limit
Discharged 1.78 mg/L against a permitted limit of 0.019 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
8491% over limit
Discharged 0.945 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.83 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)