Public water system record

Town of Jamestown

Serves Jamestown, Boulder County, CO · 280 people served

Federal records show 4 health-based violations and 118 monitoring/reporting issues for Town of Jamestown in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • CO0107401
  • JAMESTOWN
  • CO
  • 280 served

System profile

Source water Surface water
ZIP 80455
EPA system ID CO0107401

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
118

Key facts

  • Town of Jamestown draws water from 2 surface water intakes.
  • Record on file since 1993, with 23 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 111 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
Lead and Copper Rule
Treatment technique failure
350 Jul 1, 2018 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 May 1, 2018 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2017 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jun 1, 2017 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
May 24, 2025 Resolved
Public Notice
OTHER
Feb 24, 2025 Resolved
Styrene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Ethylbenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Toluene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Benzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Trichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Vinyl chloride
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Xylenes, Total
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2023 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2023 Resolved
Revised Total Coliform Rule
RPT
Apr 1, 2023 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Pentachlorophenol
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4,5-TP
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4-D
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
LASSO
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Atrazine
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbofuran
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb sulfone
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb sulfoxide
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dinoseb
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Picloram
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Simazine
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
OXAMYL
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Endothall
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Diquat
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dalapon
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Toxaphene
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Methoxychlor
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
BHC-GAMMA
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Endrin
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2021 Resolved
E. coli
Monitoring and reporting
Sep 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2018 Resolved
E. coli
Monitoring and reporting
Aug 1, 2018 Resolved
Public Notice
OTHER
Jul 8, 2018 Resolved
E. coli
Monitoring and reporting
Jul 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2018 Resolved
E. coli
Monitoring and reporting
Jun 1, 2018 Resolved
E. coli
Monitoring and reporting
May 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2018 Resolved
E. coli
Monitoring and reporting
Apr 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2018 Resolved
Public Notice
OTHER
Sep 4, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2017 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2017 Resolved
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
Jul 14, 2016 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2016 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2016 Resolved
Selenium
Monitoring and reporting
Jan 1, 2016 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2016 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2016 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2016 Resolved
Nickel
Monitoring and reporting
Jan 1, 2016 Resolved
Mercury
Monitoring and reporting
Jan 1, 2016 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2016 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2016 Resolved
Barium
Monitoring and reporting
Jan 1, 2016 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2016 Resolved
Styrene
Monitoring and reporting
Jan 1, 2016 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2016 Resolved
Toluene
Monitoring and reporting
Jan 1, 2016 Resolved
Benzene
Monitoring and reporting
Jan 1, 2016 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2016 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2016 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2016 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2016 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2016 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2016 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2016 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2016 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2016 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2016 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2016 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2016 Resolved

Full record since 1993

EPA's records for Town of Jamestown go back to 1993. Before October 19, 2016 they list 23 health-based violations (23 resolved) and 54 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 12 1
2000s 3 18
2010 to October 18, 2016 8 35
October 19, 2016 to 2019 4 18
2020s 0 66

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began July 2016, Resolved.

Show all 23 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jul 1, 2016 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 2016 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jun 1, 2016 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jul 1, 2015 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jun 1, 2015 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
May 1, 2015 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Apr 1, 2015 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
May 1, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Apr 1, 2007 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Mar 1, 2007 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 2005 Resolved
Surface Water Treatment Rule
Treatment technique failure
Mar 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
May 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Sep 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
Aug 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1993 Resolved

What the violations mean

Interim Enhanced Surface Water Treatment Rule

2 incidents

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

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.

Surface Water Treatment Rule

1 incident

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

The utility had to notify customers about this violation.

Where the water comes from

Town of Jamestown draws water from 2 surface water intakes.

Annual water quality report

Town of Jamestown 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 Town of Jamestown 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.