HARRIS COUNTY MUD 196 WWTP
NPDES ID: TX0088838
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
Copper, total [as Cu]
108% over limit
Discharged 0.1 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
161% over limit
Discharged 0.06 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
168% over limit
Discharged 67 mg/L against a permitted limit of 25 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
77% over limit
Discharged 0.085 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
143% over limit
Discharged 0.056 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
159% over limit
Discharged 0.0596 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
102% over limit
Discharged 0.097 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total [as Cu]
129% over limit
Discharged 0.11 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
156% over limit
Discharged 0.0588 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
69% over limit
Discharged 0.081 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
161% over limit
Discharged 0.06 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
90% over limit
Discharged 0.0438 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
60% over limit
Discharged 0.0767 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
55% over limit
Discharged 0.0356 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
14% over limit
Discharged 0.0548 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total [as Cu]
14% over limit
Discharged 0.0547 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
57% over limit
Discharged 0.0362 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2025
Copper, total [as Cu]
72% over limit
Discharged 0.0396 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
51% over limit
Discharged 0.0726 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Copper, total [as Cu]
87% over limit
Discharged 0.0429 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
57% over limit
Discharged 0.0752 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Copper, total [as Cu]
85% over limit
Discharged 0.0425 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
23% over limit
Discharged 0.0588 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total [as Cu]
3% over limit
Discharged 0.0238 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
72% over limit
Discharged 0.0827 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total [as Cu]
18% over limit
Discharged 0.0568 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Copper, total [as Cu]
43% over limit
Discharged 0.033 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
35% over limit
Discharged 0.065 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Copper, total [as Cu]
63% over limit
Discharged 0.0374 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
41% over limit
Discharged 0.0675 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Copper, total [as Cu]
25% over limit
Discharged 0.0598 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
63% over limit
Discharged 0.0375 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
Copper, total [as Cu]
71% over limit
Discharged 0.0394 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
July 31, 2024
Copper, total [as Cu]
43% over limit
Discharged 0.0686 mg/L against a permitted limit of 0.048 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
130% over limit
Discharged 0.0528 mg/L against a permitted limit of 0.023 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)