Public water system record
Colton Water District
Serves an area of Clackamas County, OR · 1,500 people served
Federal records show 6 health-based violations and 94 monitoring/reporting issues for Colton Water District in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.
System profile
Source water
Surface water
ZIP
97017
EPA system ID
OR4100202
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 94
Key facts
- Colton Water District draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.0807 mg/L, federal limit 0.06 mg/L (1.3 times the limit), 2024.
- Most recent formal enforcement: compliance order with a penalty by Oregon, March 2007.
- Record on file since 1976, with 17 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 496 service lines.
Check whether Colton Water District 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 |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2024 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0807 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Jan 1, 2024 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2020 | Resolved | Yes |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2019 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2018 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2023 | 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
|
Aug 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
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
|
Jun 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
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 |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2019 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Jul 29, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
Full record since 1976
EPA's records for Colton Water District go back to 1976. Before October 19, 2016 they list 17 health-based violations (17 resolved) and 212 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 10 | 16 |
| 2000s | 6 | 131 |
| 2010 to October 18, 2016 | 1 | 63 |
| October 19, 2016 to 2019 | 3 | 37 |
| 2020s | 3 | 53 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2014, Resolved.
Show all 17 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2014 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2009 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Apr 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Apr 1, 2007 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1998 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1998 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1997 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1995 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1995 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1994 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1994 | Resolved |
Enforcement actions
Oregon regulators took 2 formal enforcement actions against Colton Water District between 1994 and 2007. The most recent was a compliance order with a penalty in March 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 30, 2007 | Oregon | Compliance order with a penalty | 42 violations: p-Dichlorobenzene, Vinyl chloride, trans-1,2-Dichloroethylene, 1,2-Dichloroethane, 1,1,1-Trichloroethane |
| Jun 22, 1994 | Oregon | Compliance order with a penalty | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Surface Water Treatment Rule
4 incidentsThe 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 each of these violations.
Haloacetic Acids (HAA5)
1 incidentHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Interim Enhanced Surface Water Treatment Rule
1 incidentThe 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
Where the water comes from
Colton Water District draws water from 1 surface water intake.
Annual water quality report
Colton Water District 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 Oregon.
Certified drinking water labs by state EPA guidance for private wells