WYMAN GORDON FORGINGS CYPRESS PLANT
NPDES ID: TX0042129
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: 2 effluent violations.
Violations
May 31, 2026
Copper, total [as Cu]
167% over limit
Discharged 0.043 mg/L against a permitted limit of 0.0161 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
26% over limit
Discharged 0.043 mg/L against a permitted limit of 0.034 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
E. coli
121% over limit
Discharged 435 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
41% over limit
Discharged 0.048 mg/L against a permitted limit of 0.034 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
76% over limit
Discharged 110.8 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
134% over limit
Discharged 461 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
75% over limit
Discharged 345 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
85% over limit
Discharged 116.25 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
198% over limit
Discharged 0.048 mg/L against a permitted limit of 0.0161 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
38% over limit
Discharged 87.25 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
32% over limit
Discharged 0.045 mg/L against a permitted limit of 0.034 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
180% over limit
Discharged 0.045 mg/L against a permitted limit of 0.0161 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
Cyanide, total [as CN]
33% over limit
Discharged 0.016 mg/L against a permitted limit of 0.012 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli
670% over limit
Discharged 485 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
509% over limit
Discharged 1200 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
283% over limit
Discharged 241.42 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Copper, total [as Cu]
248% over limit
Discharged 0.056 mg/L against a permitted limit of 0.0161 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
65% over limit
Discharged 0.056 mg/L against a permitted limit of 0.034 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
6% over limit
Discharged 4.7 mg/L against a permitted limit of 5 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Fluoride, total [as F]
21% over limit
Discharged 1.93 mg/L against a permitted limit of 1.59 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2025
Oxygen, dissolved [DO]
38% over limit
Discharged 3.1 mg/L against a permitted limit of 5 mg/L (MO MIN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.1 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
April 30, 2025
Cyanide, total [as CN]
33% over limit
Discharged 0.016 mg/L against a permitted limit of 0.012 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
28% over limit
Discharged 3.6 mg/L against a permitted limit of 5 mg/L (MO MIN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.7 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
Oxygen, dissolved [DO]
50% over limit
Discharged 2.48 mg/L against a permitted limit of 5 mg/L (MO MIN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 11.01 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.000039 mg/L (DAILY AV)
DMR, Limited - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.000082 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
E. coli
778% over limit
Discharged 1730 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
827% over limit
Discharged 584.1 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2024
E. coli
862% over limit
Discharged 605.75 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
862% over limit
Discharged 605.75 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
922% over limit
Discharged 643.67 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
E. coli
54% over limit
Discharged 97 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1083% over limit
Discharged 745 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
85% over limit
Discharged 365 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
E. coli
863% over limit
Discharged 606.525 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
2069% over limit
Discharged 1366.4 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Oil & Grease
323% over limit
Discharged 28.60199976 kg/d against a permitted limit of 6.76459994 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
92% over limit
Discharged 9.30699992 kg/d against a permitted limit of 4.85779996 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
2234% over limit
Discharged 1470.48 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
121% over limit
Discharged 435 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
1128% over limit
Discharged 2420 MPN/100mL against a permitted limit of 197 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
452% over limit
Discharged 347.62 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
75% over limit
Discharged 110 MPN/100mL against a permitted limit of 63 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
July 31, 2024
BOD, carbonaceous [5 day, 20 C]
61% over limit
Discharged 54.93399954 kg/d against a permitted limit of 34.04999971 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
373% over limit
Discharged 71 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
257% over limit
Discharged 17.34279985 kg/d against a permitted limit of 4.85779996 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Oil & Grease
754% over limit
Discharged 57.74879951 kg/d against a permitted limit of 6.76459994 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
280% over limit
Discharged 37.99 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
14% over limit
Discharged 10.75979991 kg/d against a permitted limit of 9.39779992 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)