MORONI CITY WASTE WATER TREATMENT PLANT
NPDES ID: UT0020222
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: 8 effluent violations.
Violations
April 30, 2026
Nitrogen, ammonia total [as N]
619% over limit
Discharged 38.1 mg/L against a permitted limit of 5.3 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
595% over limit
Discharged 95.2 mg/L against a permitted limit of 13.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
14% over limit
Discharged 43.7 mg/L against a permitted limit of 38.5 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
51% over limit
Discharged 74.5 mg/L against a permitted limit of 49.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 1 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (QRTR MAX)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
24% over limit
Discharged 31 mg/L against a permitted limit of 25 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 63 mg/L against a permitted limit of 35 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
169% over limit
Discharged 94 mg/L against a permitted limit of 35 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 35 mg/L against a permitted limit of 25 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
E. coli
Limit violation
Discharged 2400 MPN/100mL against a permitted limit of 157 MPN/100mL (MX WK AV)
DMR, Limited - Numeric Violation
March 31, 2025
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 1 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (QRTR MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.00002 mg/L (MX MO AV)
DMR, Limited - Overdue
Nitrogen, nitrate total [as NO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Nitrogen, nitrite total [as NO2]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0049 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphate, ortho [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total dissolved
0% over limit
Discharged 0 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
December 31, 2024
Organics, total toxic [TTO]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (VALUE)
DMR, Monitor Only - Overdue
Solids, total suspended
51% over limit
Discharged 53 mg/L against a permitted limit of 35 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
16% over limit
Discharged 29 mg/L against a permitted limit of 25 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
57% over limit
Discharged 55 mg/L against a permitted limit of 35 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
64% over limit
Discharged 41 mg/L against a permitted limit of 25 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
October 31, 2024
Solids, total suspended
91% over limit
Discharged 67 mg/L against a permitted limit of 35 mg/L (MX WK AV)
DMR, Limited - Numeric Violation
Solids, total suspended
4% over limit
Discharged 26 mg/L against a permitted limit of 25 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)