KIT CARSON WWTF
NPDES ID: CO0048858
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
September 30, 2025
Static Renewal 7 Day Chronic Ceriodaphnia dubia
80% over limit
Discharged 20 toxic against a permitted limit of 100 toxic (MN VALUE)
DMR, Limited - Numeric Violation
E. coli
37% over limit
Discharged 866 MPN/100mL against a permitted limit of 630 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
August 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Radium 226 & 228, dissolved
0% over limit
Discharged 1.5 pCi/L against a permitted limit of 0 pCi/L (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
BOD, 5-day, percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Lead, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Cadmium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Uranium, potentially dissolvd
0% over limit
Discharged 0.0223 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 0.8 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 3.85 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, nitrite total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 14 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.17706 kg/d against a permitted limit of 0 kg/d (MX 7D AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 61 mg/L against a permitted limit of 0 mg/L (MX 7D AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 61 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Uranium, potentially dissolvd
0% over limit
Discharged 0.0223 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
pH
0% over limit
Discharged 7.11 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.29 mg/L against a permitted limit of 0.5 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 66 mg/L against a permitted limit of 0 mg/L (MX 7D AV)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.11 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.17706 kg/d against a permitted limit of 0 kg/d (30DA AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Beryllium, total recoverable [as Be]
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 66 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Nickel, total recoverable
0% over limit
Discharged 0.027 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Molybdenum, total recoverable
0% over limit
Discharged 0.0073 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Chromium, hexavalent tot recoverable
0% over limit
Discharged 0 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 0.053 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 0.024 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 0.057 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
Plant capacity fact. percent of capacity
0% over limit
Discharged 65 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0316 MGD against a permitted limit of 0.03744 MGD (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 14 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Arsenic, total recoverable
0% over limit
Discharged 0.0041 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
July 31, 2025
pH
0% over limit
Discharged 7.19 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.028031 MGD against a permitted limit of 0.03744 MGD (30DA AVG)
DMR, Limited - Overdue
Radium 226 & 228, dissolved
0% over limit
Discharged 1.6 pCi/L against a permitted limit of 0 pCi/L (30DA AVG)
DMR, Monitor Only - Overdue
Nitrogen, nitrite total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.19 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.050139 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 5.1 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Arsenic, total recoverable
0% over limit
Discharged 0.0051 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Molybdenum, total recoverable
0% over limit
Discharged 0.0008 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 10 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Nickel, total recoverable
0% over limit
Discharged 0.0029 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 10 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Uranium, potentially dissolvd
0% over limit
Discharged 0.0273 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 91.3 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Uranium, potentially dissolvd
0% over limit
Discharged 0.0273 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Cadmium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.05 mg/L against a permitted limit of 0.5 mg/L (INST 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
Copper, total recoverable
0% over limit
Discharged 0.0056 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Beryllium, total recoverable [as Be]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Chromium, hexavalent tot recoverable
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
June 30, 2025
Radium 226 & 228, dissolved
0% over limit
Discharged 1.8 pCi/L against a permitted limit of 0 pCi/L (30DA AVG)
DMR, Monitor Only - Overdue
Static Renewal 7 Day Chronic Ceriodaphnia dubia
77% over limit
Discharged 23.3 toxic against a permitted limit of 100 toxic (MN VALUE)
DMR, Limited - Numeric Violation
December 31, 2024
E. coli
15% over limit
Discharged 727 MPN/100mL against a permitted limit of 630 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
November 30, 2024
BOD, 5-day, 20 deg. C
0% over limit
Discharged 109 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 0.7 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 109 mg/L against a permitted limit of 0 mg/L (MX 7D AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.14982 kg/d against a permitted limit of 0 kg/d (30DA AVG)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 11 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.14982 kg/d against a permitted limit of 0 kg/d (MX 7D AV)
DMR, Monitor Only - Overdue
Radium 226 & 228, dissolved
0% over limit
Discharged 0.9 pCi/L against a permitted limit of 0 pCi/L (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 81 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 81 mg/L against a permitted limit of 0 mg/L (MX 7D AV)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
10% over limit
Discharged 83.5 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
BOD, 5-day, percent removal
10% over limit
Discharged 83.5 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)