SINGING HILLS ELEMENTARY SCHOOL
NPDES ID: COX634068
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 34 reporting violations.
Violations
April 30, 2026
Solids, suspended percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Oil and grease visual
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (INST MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
Water level relative to mean sea level
0% over limit
Discharged 0 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 23 MPN/100mL (MO MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 0 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 0 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total dissolved
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 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 0 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 0 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 0 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 0 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 7.58179994 kg/d (30DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
February 28, 2026
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.003 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 20943.39021732 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Water level relative to mean sea level
0% over limit
Discharged 20987.07981694 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.38 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
0% over limit
Discharged 98.9 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 578 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
Oil and grease visual
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (INST MAX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 224 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Water level relative to mean sea level
0% over limit
Discharged 20943.42301732 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 22.22 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 1.04419999 kg/d against a permitted limit of 7.58179994 kg/d (30DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.003 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 36.3 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 99.3 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 604 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 76.5 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.45 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 23 MPN/100mL (MO MAX)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 604.9 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 274 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 14 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 5.5 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
January 31, 2026
Plant capacity fact. percent of capacity
0% over limit
Discharged 22.22 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total dissolved
0% over limit
Discharged 626 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 78.3 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 732 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Oil and grease visual
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 0.144 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.39 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 196.2 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 20989.37581692 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 99.3 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.72639999 kg/d against a permitted limit of 7.58179994 kg/d (30DA AVG)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 20944.40701731 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 10 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 23 MPN/100mL (MO MAX)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 614 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.21 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 76.5 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 98.9 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (INST MAX)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 21018.01021667 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 212.8 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
December 31, 2025
Water level relative to mean sea level
0% over limit
Discharged 20991.1142169 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 23 MPN/100mL (MO MAX)
DMR, Limited - Overdue
Oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 634 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.41 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 14.6 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0.0045 MGD (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 3.4 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 734 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
0% over limit
Discharged 98 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Water level relative to mean sea level
0% over limit
Discharged 20945.7190173 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 114.7 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 6 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total dissolved
0% over limit
Discharged 736 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.454 kg/d against a permitted limit of 7.58179994 kg/d (30DA AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 81.5 mg/L against a permitted limit of 250 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Oil and grease visual
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (INST MAX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2.5 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 22.22 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 3.4 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (30DA AVG)
DMR, Monitor Only - Overdue
Water level relative to mean sea level
0% over limit
Discharged 21017.35421667 m against a permitted limit of 0 m (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 0.07 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.65 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 97 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 0 MPN/100mL (MO MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)