RIDGE WWTP
NPDES ID: TX0104833
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 3 effluent violations, 1 single-event violation.
Violations
May 31, 2026
Chlorine, total residual
70% over limit
Discharged 0.3 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
April 30, 2026
Chlorine, total residual
3% over limit
Discharged 4.12 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
46% over limit
Discharged 0.54 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
51% over limit
Discharged 0.49 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
0% over limit
Discharged 4.01 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
41% over limit
Discharged 0.59 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
11% over limit
Discharged 0.89 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
December 31, 2025
Oxygen, dissolved [DO]
3% over limit
Discharged 4.86 mg/L against a permitted limit of 5 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
105% over limit
Discharged 30.68 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
17% over limit
Discharged 11.74 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
57% over limit
Discharged 0.43 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Chlorine, total residual
3% over limit
Discharged 4.1 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
6% over limit
Discharged 4.25 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
9% over limit
Discharged 16.32 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
12% over limit
Discharged 4.41 mg/L against a permitted limit of 5 mg/L (MO MIN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)