RICHARDS ISD WWTP
NPDES ID: TX0106119
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
Solids, total suspended
129% over limit
Discharged 0.86259999 kg/d against a permitted limit of 0.37682 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
120% over limit
Discharged 277.5 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
60% over limit
Discharged 31.93 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
Oxygen, dissolved [DO]
60% over limit
Discharged 0.8 mg/L against a permitted limit of 2 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
1% over limit
Discharged 20.1 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
53% over limit
Discharged 30.6 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
65% over limit
Discharged 0.7 mg/L against a permitted limit of 2 mg/L (MO MIN)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
38% over limit
Discharged 27.5 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
4% over limit
Discharged 20.8 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
55% over limit
Discharged 30.93 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
18% over limit
Discharged 23.5 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
25% over limit
Discharged 1.5 mg/L against a permitted limit of 2 mg/L (MO MIN)
DMR, Limited - Numeric Violation
August 31, 2025
E. coli
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2419.6 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
June 30, 2025
Oxygen, dissolved [DO]
20% over limit
Discharged 1.6 mg/L against a permitted limit of 2 mg/L (MO MIN)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
118% over limit
Discharged 43.5 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
13% over limit
Discharged 73.7 mg/L against a permitted limit of 65 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Solids, total suspended
72% over limit
Discharged 34.33 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
67% over limit
Discharged 33.38 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
106% over limit
Discharged 41.1 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 83.3 mg/L against a permitted limit of 65 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
12% over limit
Discharged 22.3 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)