CANYON CREEK WWTP

NPDES ID: TX0089338

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: 15 effluent violations, 1 single-event violation.

Violations

May 31, 2026

Solids, total suspended

8% over limit

Discharged 65 mg/L against a permitted limit of 60 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

Chlorine, total residual

40% over limit

Discharged 0.6 mg/L against a permitted limit of 1 mg/L (MO MIN)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

124% over limit

Discharged 0.094 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

163% over limit

Discharged 39.5 mg/L against a permitted limit of 15 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

367% over limit

Discharged 7.41381994 kg/d against a permitted limit of 1.589 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

90% over limit

Discharged 19 mg/L against a permitted limit of 10 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

435% over limit

Discharged 12.86181989 kg/d against a permitted limit of 2.4062 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

April 30, 2026

BOD, 5-day, 20 deg. C

238% over limit

Discharged 5.37535995 kg/d against a permitted limit of 1.589 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

338% over limit

Discharged 10.53279991 kg/d against a permitted limit of 2.4062 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

176% over limit

Discharged 0.116 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

20% over limit

Discharged 12 mg/L against a permitted limit of 10 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

58% over limit

Discharged 23.67 mg/L against a permitted limit of 15 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

68% over limit

Discharged 101 mg/L against a permitted limit of 60 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

9% over limit

Discharged 38 mg/L against a permitted limit of 35 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

March 31, 2026

BOD, 5-day, 20 deg. C

10% over limit

Discharged 11 mg/L against a permitted limit of 10 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

246% over limit

Discharged 5.50247995 kg/d against a permitted limit of 1.589 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Solids, total suspended

104% over limit

Discharged 4.90773996 kg/d against a permitted limit of 2.4062 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

167% over limit

Discharged 0.112 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

February 28, 2026

Flow, in conduit or thru treatment plant

131% over limit

Discharged 0.097 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

19% over limit

Discharged 1.89771998 kg/d against a permitted limit of 1.589 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

January 31, 2026

Flow, in conduit or thru treatment plant

69% over limit

Discharged 0.071 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

57% over limit

Discharged 2.50153998 kg/d against a permitted limit of 1.589 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.27 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

Solids, total suspended

80% over limit

Discharged 4.33569996 kg/d against a permitted limit of 2.4062 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total suspended

50% over limit

Discharged 3.61837997 kg/d against a permitted limit of 2.4062 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

105% over limit

Discharged 3.25971997 kg/d against a permitted limit of 1.589 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

pH

0% over limit

Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)

DMR, Limited - Numeric Violation

BOD, 5-day, 20 deg. C

5% over limit

Discharged 10.5 mg/L against a permitted limit of 10 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Flow, in conduit or thru treatment plant

121% over limit

Discharged 0.093 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

November 30, 2025

Flow, in conduit or thru treatment plant

105% over limit

Discharged 0.086 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

October 31, 2025

Solids, total suspended

46% over limit

Discharged 3.50487997 kg/d against a permitted limit of 2.4062 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

September 30, 2025

Flow, in conduit or thru treatment plant

29% over limit

Discharged 0.054 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

August 31, 2025

Flow, in conduit or thru treatment plant

74% over limit

Discharged 0.073 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

July 31, 2025

Flow, in conduit or thru treatment plant

1710% over limit

Discharged 0.76 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

June 30, 2025

Flow, in conduit or thru treatment plant

57% over limit

Discharged 0.066 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

May 31, 2025

Flow, in conduit or thru treatment plant

1329% over limit

Discharged 0.6 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

April 30, 2025

Flow, in conduit or thru treatment plant

29% over limit

Discharged 0.054 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

March 31, 2025

Flow, in conduit or thru treatment plant

10% over limit

Discharged 0.046 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

February 28, 2025

Flow, in conduit or thru treatment plant

17% over limit

Discharged 0.049 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

January 31, 2025

Flow, in conduit or thru treatment plant

7% over limit

Discharged 0.045 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

September 30, 2024

Flow, in conduit or thru treatment plant

10% over limit

Discharged 0.046 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

August 31, 2024

Flow, in conduit or thru treatment plant

2% over limit

Discharged 0.043 MGD against a permitted limit of 0.042 MGD (DAILY AV)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)