CITY OF GRANGER WWTP
NPDES ID: TX0071030
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
BOD, 5-day, 20 deg. C
18% over limit
Discharged 11.75 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
20% over limit
Discharged 18 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
18% over limit
Discharged 11.75 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.146 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0564 MGD against a permitted limit of 0.2 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0364 MGD against a permitted limit of 0.2 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
November 30, 2025
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
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.03959 MGD against a permitted limit of 0.2 MGD (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0893 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
October 31, 2025
Oxygen, dissolved [DO]
5% over limit
Discharged 3.8 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
0% over limit
Discharged 5 mg/L against a permitted limit of 60 mg/L (SINGGRAB)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 1.11 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 4.2 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0.41314 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 3 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.7 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.3859 kg/d against a permitted limit of 7.718 kg/d (DAILY AV)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0439 MGD against a permitted limit of 0.2 MGD (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0821 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.6 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 35 mg/L (SINGGRAB)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 2.81 mg/L against a permitted limit of 4 mg/L (MO MAX)
DMR, Limited - Overdue
May 31, 2025
Solids, total suspended
45% over limit
Discharged 21.7 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
3% over limit
Discharged 3.9 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
April 30, 2025
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
March 31, 2025
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
Flow, in conduit or thru treatment plant
100% over limit
Discharged 0.4 MGD against a permitted limit of 0.2 MGD (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
13% over limit
Discharged 3.5 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
February 28, 2025
Oxygen, dissolved [DO]
3% over limit
Discharged 3.9 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 21 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
67% over limit
Discharged 25 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
24% over limit
Discharged 14.07399988 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2024
Oxygen, dissolved [DO]
3% over limit
Discharged 3.9 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
Oxygen, dissolved [DO]
3% over limit
Discharged 3.9 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)