Public water system record
Upper Surface Creek Domestic WUA
Serves an area of Delta County, CO · 2,800 people served
Federal records show 11 health-based violations and 29 monitoring/reporting issues for Upper Surface Creek Domestic WUA in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.
System profile
- Health-based violations, last 10 years
- 11
- Resolved
- 11
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 29
Key facts
- Upper Surface Creek Domestic WUA draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit), 2023.
- Most recent formal enforcement: compliance order (no penalty) by Colorado, November 2023.
- Record on file since 2004, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 967 service lines.
Check whether Upper Surface Creek Domestic WUA 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 |
|---|---|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
350 | May 5, 2024 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Jul 1, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
220 | Apr 1, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jan 1, 2023 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0644 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 1, 2022 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0661 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Apr 1, 2019 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0636 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.06228 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Apr 1, 2017 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
220 | Jan 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
OTHER
|
Jun 6, 2023 | Resolved |
|
Chlorine dioxide
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2020 | Resolved |
|
Chlorite
Monitoring and reporting
|
Nov 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Nov 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 2, 2017 | Resolved |
Full record since 2004
EPA's records for Upper Surface Creek Domestic WUA go back to 2004. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 5 | 40 |
| October 19, 2016 to 2019 | 5 | 19 |
| 2020s | 6 | 10 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began October 2008, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Oct 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Jul 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.071 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
|
Apr 1, 2008 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2008 | Resolved |
Enforcement actions
Colorado regulators took 3 formal enforcement actions against Upper Surface Creek Domestic WUA between 2005 and 2023. The most recent was a compliance order (no penalty) in November 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 13, 2023 | Colorado | Compliance order (no penalty) | 5 violations (5 health-based): Haloacetic Acids (HAA5) |
| Feb 25, 2009 | Colorado | Compliance order (no penalty) | 5 violations (4 health-based): Haloacetic Acids (HAA5), Stage 2 Disinfection Byproducts Rule |
| Jun 29, 2005 | Colorado | Compliance order (no penalty) | 2 violations: Lead and Copper Rule |
What the violations mean
Haloacetic Acids (HAA5)
10 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Lead and Copper Rule
1 incidentThe 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
Upper Surface Creek Domestic WUA draws water from 1 surface water intake.
Annual water quality report
Upper Surface Creek Domestic WUA 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 Colorado.
Certified drinking water labs by state EPA guidance for private wells