GRANDVIEW WWTP
NPDES ID: TX0024503
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: 1 effluent violation.
Violations
April 30, 2026
Solids, total suspended
37% over limit
Discharged 20.6 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
50% over limit
Discharged 22.5 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.273 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 13 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 0.134 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
25% over limit
Discharged 12.5 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
60% over limit
Discharged 24 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.126 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.205 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.58899999 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 3.37775997 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.127 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
130% over limit
Discharged 4.59 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.15075997 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.099 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
November 30, 2025
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.53785998 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.372 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 3.34597997 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.19522 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.108 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
October 31, 2025
Solids, total suspended
12% over limit
Discharged 16.8 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
109% over limit
Discharged 31.3 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
411% over limit
Discharged 10.22 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 5.44345995 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.103 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.119 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
65% over limit
Discharged 3.73641997 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
65% over limit
Discharged 3.73641997 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 6.32875995 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
September 30, 2025
E. coli
861% over limit
Discharged 1211 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
3% over limit
Discharged 10.25 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
507% over limit
Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
August 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.157 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 5.15743996 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.72639999 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 7.03245994 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.54 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
July 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.158 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.72973999 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5.71131995 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.10869997 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
68% over limit
Discharged 3.35 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.354 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
June 30, 2025
BOD, carbonaceous [5 day, 20 C]
30% over limit
Discharged 13 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
65% over limit
Discharged 18.71387984 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
65% over limit
Discharged 18.71387984 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
22% over limit
Discharged 20.96571982 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
22% over limit
Discharged 20.96571982 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.279 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.81265999 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
May 31, 2025
Solids, total suspended
58% over limit
Discharged 23.75 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
8% over limit
Discharged 10.75 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 0.219 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.578 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 9.37509992 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
66% over limit
Discharged 3.77727997 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
66% over limit
Discharged 3.77727997 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 26.43187978 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
53% over limit
Discharged 26.43187978 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, total suspended
64% over limit
Discharged 28.21609976 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
64% over limit
Discharged 28.21609976 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
38% over limit
Discharged 2.5 mg/L against a permitted limit of 4 mg/L (MO MIN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
36% over limit
Discharged 13.6 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
77% over limit
Discharged 26.6 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.15 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 17.90575985 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
58% over limit
Discharged 17.90575985 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
496% over limit
Discharged 11.92 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
589% over limit
Discharged 15.64029987 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
589% over limit
Discharged 15.64029987 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
32% over limit
Discharged 19.8 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.221 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
March 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.308 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 7.92229993 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.0908 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
17% over limit
Discharged 17.5 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.142 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 4.97129996 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
February 28, 2025
E. coli
507% over limit
Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
540% over limit
Discharged 807 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.809 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 0.172 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 9.67019992 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.54934 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
10% over limit
Discharged 16.5 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
96% over limit
Discharged 33.82299972 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
96% over limit
Discharged 33.82299972 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
December 31, 2024
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.98277997 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.148 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 7.75431993 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.362 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.00333999 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
November 30, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.241 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 1.94311998 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.36199999 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.104 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.17252 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
October 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.129 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.54934 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.70583998 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.111 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5.82935995 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
September 30, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.235 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 0.123 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
August 31, 2024
Nitrogen, ammonia total [as N]
102% over limit
Discharged 4.57631996 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
102% over limit
Discharged 4.57631996 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.139 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
17% over limit
Discharged 17.5 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
E. coli
42% over limit
Discharged 179 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
40% over limit
Discharged 14 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
482% over limit
Discharged 11.63 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 11.9265799 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
100% over limit
Discharged 30 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.104 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 5.60689995 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
July 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.118 MGD against a permitted limit of 0.3 MGD (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.86713999 kg/d against a permitted limit of 2.27 kg/d (DAILY AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.493 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
23% over limit
Discharged 155 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.50033997 kg/d against a permitted limit of 11.35 kg/d (DAILY AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 3.23701997 kg/d against a permitted limit of 17.252 kg/d (DAILY AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
38% over limit
Discharged 2.75 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)