Public water system record
Town of Cheraw
Serves Cheraw, Otero County, CO · 254 people served
Federal records show 35 health-based violations and 36 monitoring/reporting issues for Town of Cheraw in the last ten years. The most serious issue in this window was a Combined Radium (-226 and -228) violation that EPA lists as archived, not resolved.
System profile
Source water
Groundwater
ZIP
81030
EPA system ID
CO0145090
- Health-based violations, last 10 years
- 35
- Resolved
- 34
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 36
Key facts
- Town of Cheraw draws water from 3 wells.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 12.5 pCi/L, federal limit 5 pCi/L (2.5 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by Colorado, May 2022.
- Record on file since 2008, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 131 service lines.
Check whether Town of Cheraw serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7.5 pCi/L, federal limit 5 pCi/L (1.5 times the limit)
|
340 | Jan 1, 2024 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.85 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Oct 1, 2023 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 15.85 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2023 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11.2 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jul 1, 2023 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.48 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Apr 1, 2023 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jan 1, 2023 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Oct 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
340 | Oct 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.47 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
340 | Jul 1, 2022 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.38 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Jul 1, 2022 | Resolved | No |
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Jun 1, 2022 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
340 | Apr 1, 2022 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Apr 1, 2022 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Jan 1, 2022 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.75 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Oct 1, 2021 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.9 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jul 1, 2021 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Apr 1, 2021 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Jan 1, 2021 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11.65 pCi/L, federal limit 5 pCi/L (2.3 times the limit)
|
340 | Oct 1, 2020 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jul 1, 2020 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.2 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Apr 1, 2020 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.3 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Jan 1, 2020 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.4 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Oct 1, 2019 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11.13 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jul 1, 2019 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 11.85 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Apr 1, 2019 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.18 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Jan 1, 2019 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.23 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jan 1, 2019 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.5 pCi/L, federal limit 5 pCi/L (2.5 times the limit)
|
340 | Oct 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.38 pCi/L, federal limit 5 pCi/L (2.5 times the limit)
|
340 | Jul 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.23 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Apr 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.25 pCi/L, federal limit 5 pCi/L (2.5 times the limit)
|
340 | Jan 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 12.3 pCi/L, federal limit 5 pCi/L (2.5 times the limit)
|
340 | Jan 1, 2017 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 15.57 pCi/L, federal limit 15 pCi/L (at or just above the limit)
|
340 | Jan 1, 2017 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Jan 31, 2026 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2026 | Active |
|
Combined Uranium
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2025 | Active |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Active |
|
Public Notice
OTHER
|
Jun 9, 2024 | Resolved |
|
Public Notice
OTHER
|
Feb 16, 2024 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Dec 11, 2022 | Resolved |
|
Public Notice
OTHER
|
Nov 11, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 7, 2022 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2020 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
Full record since 2008
EPA's records for Town of Cheraw go back to 2008. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 2 | 1 |
| 2010 to October 18, 2016 | 8 | 1 |
| October 19, 2016 to 2019 | 11 | 1 |
| 2020s | 23 | 35 |
Most recent health-based violation before October 19, 2016: Gross Alpha, Excl. Radon and U, began October 2016, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Oct 1, 2016 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Jul 1, 2016 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.4 pCi/L, federal limit 5 pCi/L (1.7 times the limit)
|
Jan 1, 2015 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Jan 1, 2014 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Jan 1, 2012 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.4 pCi/L, federal limit 5 pCi/L (1.7 times the limit)
|
Jan 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.7 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2009 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jul 1, 2009 | Resolved |
Enforcement actions
Colorado regulators took 4 formal enforcement actions against Town of Cheraw between 2010 and 2022. The most recent was a compliance order (no penalty) in May 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 31, 2022 | Colorado | Compliance order (no penalty) | 44 violations (41 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U, Public Notice |
| Oct 11, 2021 | Colorado | Compliance order with a penalty | 3 violations: Lead and Copper Rule |
| Jan 4, 2018 | Colorado | Compliance order (no penalty) | 29 violations (29 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U |
| Mar 30, 2010 | Colorado | Compliance order (no penalty) | 8 violations (8 health-based): Combined Radium (-226 and -228) |
What the violations mean
Combined Radium (-226 and -228)
27 incidentsTest results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Gross Alpha, Excl. Radon and U
7 incidentsTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Where the water comes from
Town of Cheraw draws water from 3 wells.
Annual water quality report
Town of Cheraw 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 Cheraw 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.
Certified drinking water labs by state EPA guidance for private wells