Public water system record

Florissant WSD

Serves Florissant, Teller County, CO · 250 people served

Federal records show 4 health-based violations and 157 monitoring/reporting issues for Florissant WSD in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • CO0160175
  • FLORISSANT
  • CO
  • 250 served

System profile

Source water Groundwater under direct influence
ZIP 80816
EPA system ID CO0160175

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
157

Key facts

  • Florissant WSD draws water from 1 well.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2024.
  • Most recent formal enforcement: compliance order with a penalty by Colorado, March 2023.
  • Record on file since 1992, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 95 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 1, 2024 Resolved No
Groundwater Rule
Treatment technique failure
140 Aug 27, 2022 Resolved No
Groundwater Rule
Treatment technique failure
140 Aug 27, 2022 Resolved No
Lead and Copper Rule
Treatment technique failure
350 Jul 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2026 Active
Public Notice
OTHER
Oct 13, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2025 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 6, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2024 Resolved
Public Notice
OTHER
Jun 7, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 2, 2024 Resolved
E. coli
Monitoring and reporting
Mar 1, 2024 Resolved
E. coli
Monitoring and reporting
Feb 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2024 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2023 Resolved
E. coli
Monitoring and reporting
Sep 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2023 Resolved
E. coli
Monitoring and reporting
Aug 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2023 Resolved
E. coli
Monitoring and reporting
May 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
May 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2023 Resolved
Public Notice
OTHER
Mar 1, 2023 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 16, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2022 Resolved
Public Notice
OTHER
Aug 29, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2022 Resolved
Public Notice
OTHER
May 29, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
May 1, 2022 Resolved
Revised Total Coliform Rule
OTHER
Apr 28, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2022 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2022 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2022 Resolved
Styrene
Monitoring and reporting
Jan 1, 2022 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2022 Resolved
Toluene
Monitoring and reporting
Jan 1, 2022 Resolved
Benzene
Monitoring and reporting
Jan 1, 2022 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2022 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2022 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2022 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2022 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2022 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2022 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
Selenium
Monitoring and reporting
Jan 1, 2022 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2022 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2022 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2022 Resolved
Nickel
Monitoring and reporting
Jan 1, 2022 Resolved
Mercury
Monitoring and reporting
Jan 1, 2022 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2022 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2022 Resolved
Barium
Monitoring and reporting
Jan 1, 2022 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2021 Resolved
Public Notice
OTHER
Mar 13, 2020 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2020 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2020 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2020 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2020 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2020 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2020 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2020 Resolved
LASSO
Monitoring and reporting
Jan 1, 2020 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2020 Resolved
Aldicarb
Monitoring and reporting
Jan 1, 2020 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2020 Resolved
Aldicarb sulfone
Monitoring and reporting
Jan 1, 2020 Resolved
Aldicarb sulfoxide
Monitoring and reporting
Jan 1, 2020 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2020 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2020 Resolved
Picloram
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2020 Resolved
Simazine
Monitoring and reporting
Jan 1, 2020 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2020 Resolved
Endothall
Monitoring and reporting
Jan 1, 2020 Resolved
Diquat
Monitoring and reporting
Jan 1, 2020 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2020 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2020 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2020 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2020 Resolved
Endrin
Monitoring and reporting
Jan 1, 2020 Resolved
Public Notice
OTHER
Dec 13, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2019 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2018 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Public Notice
OTHER
Sep 11, 2017 Resolved
Public Notice
OTHER
Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2017 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2017 Resolved
E. coli
Monitoring and reporting
Jan 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2017 Resolved
E. coli
Monitoring and reporting
Dec 1, 2016 Resolved
E. coli
Monitoring and reporting
Nov 1, 2016 Resolved
E. coli
Monitoring and reporting
Oct 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2016 Resolved

Full record since 1992

EPA's records for Florissant WSD go back to 1992. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 176 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 3
2000s 0 131
2010 to October 18, 2016 7 42
October 19, 2016 to 2019 1 27
2020s 3 128

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 2015, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Oct 1, 2014 Resolved
Surface Water Treatment Rule
Treatment technique failure
Dec 1, 2013 Resolved
Surface Water Treatment Rule
Treatment technique failure
Feb 1, 2013 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 2012 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 2012 Resolved

Enforcement actions

Colorado regulators took 4 formal enforcement actions against Florissant WSD and issued 3 boil water orders between 2012 and 2023. The most recent was a compliance order with a penalty in March 2023.

Date By Action Violations covered
Mar 20, 2023 Colorado Compliance order with a penalty 91 violations (2 health-based): Public Notice, Lead and Copper Rule, Interim Enhanced Surface Water Treatment Rule, Nickel, Selenium
Jun 29, 2021 Colorado Boil water order 1 violation
Jul 13, 2020 Colorado Boil water order 1 violation
Feb 28, 2019 Colorado Boil water order 1 violation
Jun 26, 2014 Colorado Compliance order with a penalty 4 violations (1 health-based): Surface Water Treatment Rule, Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Jul 8, 2013 Colorado Compliance order with a penalty 7 violations (3 health-based): Surface Water Treatment Rule, Nitrate
May 21, 2012 Colorado Compliance order with a penalty 1 violation: Consumer Confidence Rule

What the violations mean

Groundwater Rule

2 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Lead and Copper Rule

1 incident

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Florissant WSD draws water from 1 well.

Annual water quality report

Florissant WSD must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Florissant WSD for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Colorado.