MONUMENT LAKE WWTF
NPDES ID: CO0024015
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
November 30, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (30DA AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 4.7 mg/L (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 (30DA AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6.5 SU (MINIMUM)
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
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
Nitrogen, inorganic total
0% over limit
Discharged 0 mg/L against a permitted limit of 3.5 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 (INST MAX)
DMR, Limited - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
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
Sulfate
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 0 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 0 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.019 mg/L (INST MAX)
DMR, Limited - Overdue
September 30, 2025
pH
0% over limit
Discharged 8.96 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (30DA AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.94 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.019 mg/L (INST MAX)
DMR, Limited - Overdue
June 30, 2025
Nitrogen, inorganic total
125% over limit
Discharged 7.88 mg/L against a permitted limit of 3.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.017 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 110.6 MPN/100mL against a permitted limit of 252 MPN/100mL (MX 7D GM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.006 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.017 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.5 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.25 mg/L against a permitted limit of 2.6 mg/L (30DA AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.019 mg/L (INST MAX)
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
E. coli
0% over limit
Discharged 110.6 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.25 mg/L against a permitted limit of 7.6 mg/L (DAILY MX)
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
Nitrogen, inorganic total
0% over limit
Discharged 1.05 mg/L against a permitted limit of 3.5 mg/L (DAILY MX)
DMR, Limited - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 6 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Sulfate
0% over limit
Discharged 33 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 7 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.011 mg/L (30DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.006 MGD against a permitted limit of 0.025 MGD (30DA AVG)
DMR, Limited - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 24 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)