NPDES ID: COX634036
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: 6 effluent violations.
Violations
May 31, 2026
Nitrogen, inorganic total
28% over limit
Discharged 12.8 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.42 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total dissolved
56% over limit
Discharged 622 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
380% over limit
Discharged 48 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, inorganic total
290% over limit
Discharged 39 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
42% over limit
Discharged 567 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, inorganic total
500% over limit
Discharged 60 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
28% over limit
Discharged 511 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.28 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
February 28, 2026
pH
0% over limit
Discharged 6.22 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total dissolved
56% over limit
Discharged 625 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
400% over limit
Discharged 50 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
pH
0% over limit
Discharged 5.78 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.07 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total dissolved
21% over limit
Discharged 484 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
390% over limit
Discharged 49 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, inorganic total
480% over limit
Discharged 58 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
16% over limit
Discharged 464 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, inorganic total
410% over limit
Discharged 51 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
39% over limit
Discharged 555 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total dissolved
67% over limit
Discharged 669 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
550% over limit
Discharged 65 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, inorganic total
390% over limit
Discharged 49 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
75% over limit
Discharged 698 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total dissolved
106% over limit
Discharged 823 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Coliform, total general
173% over limit
Discharged 6 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
320% over limit
Discharged 42 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
46% over limit
Discharged 14.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
25% over limit
Discharged 312 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, inorganic total
702% over limit
Discharged 80.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
180% over limit
Discharged 1120 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, inorganic total
625% over limit
Discharged 72.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
156% over limit
Discharged 1022 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total dissolved
147% over limit
Discharged 989 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
290% over limit
Discharged 39 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, inorganic total
299% over limit
Discharged 39.9 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
63% over limit
Discharged 652 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, inorganic total
356% over limit
Discharged 45.62 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
91% over limit
Discharged 765 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total dissolved
133% over limit
Discharged 931 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
940% over limit
Discharged 104 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, inorganic total
487% over limit
Discharged 58.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
134% over limit
Discharged 934 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Nitrogen, inorganic total
737% over limit
Discharged 83.7 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
103% over limit
Discharged 811 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, inorganic total
501% over limit
Discharged 60.1 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
91% over limit
Discharged 763 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total dissolved
38% over limit
Discharged 553 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
205% over limit
Discharged 30.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, total dissolved
77% over limit
Discharged 708 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
643% over limit
Discharged 74.3 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, inorganic total
380% over limit
Discharged 48 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
65% over limit
Discharged 660 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, inorganic total
452% over limit
Discharged 55.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
54% over limit
Discharged 615 mg/L against a permitted limit of 400 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)