CITY OF PASADENA
NPDES ID: TX0134813
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: 7 effluent violations.
Violations
June 30, 2026
Solids, total suspended
280% over limit
Discharged 152 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
151% over limit
Discharged 261 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
12% over limit
Discharged 16.81 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2026
Solids, total suspended
2375% over limit
Discharged 990 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
369% over limit
Discharged 70.42 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
290% over limit
Discharged 156 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
1813% over limit
Discharged 1990 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
65% over limit
Discharged 66 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
10% over limit
Discharged 44 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
163% over limit
Discharged 105 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
213% over limit
Discharged 326 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
15% over limit
Discharged 46 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
28% over limit
Discharged 51 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Enterococci
65% over limit
Discharged 172 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
148% over limit
Discharged 99 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
7% over limit
Discharged 3.21 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2025
Enterococci
122% over limit
Discharged 231 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
9% over limit
Discharged 3.26 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
June 30, 2025
Enterococci
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8% over limit
Discharged 3.24 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
280% over limit
Discharged 152 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
24% over limit
Discharged 3.72 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Enterococci
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
14% over limit
Discharged 11.4 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Solids, total suspended
113% over limit
Discharged 85 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AV MN)
DMR, Monitor Only - Overdue
Solids, total suspended
310% over limit
Discharged 164 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (48HR MIN)
DMR, Monitor Only - Overdue
LC50 Pass/Fail Static 24Hr Acute D. Pulex
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (SINGSAMP)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (48HR MIN)
DMR, Monitor Only - Overdue
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (MO AV MN)
DMR, Monitor Only - Overdue
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AV MN)
DMR, Monitor Only - Overdue
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AV MN)
DMR, Monitor Only - Overdue
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (SINGSAMP)
DMR, Monitor Only - Overdue
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex
0% over limit
Discharged 0 % against a permitted limit of 0 % (48HR MIN)
DMR, Monitor Only - Overdue
Enterococci
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AV MN)
DMR, Monitor Only - Overdue
Whole Effluent Toxicity [WET] - D. pulex
0% over limit
Discharged 0 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Overdue
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex
0% over limit
Discharged 0 % against a permitted limit of 0 % (48HR MIN)
DMR, Monitor Only - Overdue
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (48HR MIN)
DMR, Monitor Only - Overdue
Whole Effluent Toxicity [WET] - D. pulex
0% over limit
Discharged 0 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Overdue
Whole Effluent Toxicity [WET] - P. promelas
0% over limit
Discharged 0 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Overdue
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (48HR MIN)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (MO AV MN)
DMR, Monitor Only - Overdue
Whole Effluent Toxicity [WET] - P. promelas
0% over limit
Discharged 0 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Overdue
November 30, 2024
Enterococci
369% over limit
Discharged 488 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Enterococci
Limit violation
Discharged 2420 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
Limit violation
Discharged 48.59 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
725% over limit
Discharged 330 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
138% over limit
Discharged 35.65 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
September 30, 2024
Enterococci
31% over limit
Discharged 45.84 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Enterococci
196% over limit
Discharged 308 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
191% over limit
Discharged 43.58 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
108% over limit
Discharged 83 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Enterococci
14% over limit
Discharged 40.05 MPN/100mL against a permitted limit of 35 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
Enterococci
295% over limit
Discharged 411 MPN/100mL against a permitted limit of 104 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)