Public water system record
West Grand Valley WA
On record as serving Otero County, CO · Serves 100 people
Federal records show 31 health-based violations and 21 monitoring/reporting issues for West Grand Valley WA 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
81067
EPA system ID
CO0145810
- Health-based violations, last 10 years
- 31
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 31
- Any acute record
- No
- Monitoring issues, last 10 years
- 21
Key facts
- West Grand Valley WA draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 15.9 pCi/L, federal limit 5 pCi/L (3.2 times the limit), 2019.
- Most recent formal enforcement: compliance order (no penalty) by Colorado, May 2022.
- Record on file since 1998, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 37 service lines.
Check whether West Grand Valley WA 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 12 pCi/L, federal limit 5 pCi/L (2.4 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 12 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Jul 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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Apr 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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jan 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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.4 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
340 | Jul 1, 2024 |
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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jul 1, 2024 |
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 10.85 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21.45 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
|
340 | Apr 1, 2024 |
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 10.73 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24.27 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
340 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29.9 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
340 | Oct 1, 2023 |
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 10.5 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Oct 1, 2023 |
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 10.5 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
|
340 | Jul 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29.9 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
340 | Jul 1, 2023 |
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 11 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Oct 1, 2022 |
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 12 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Jul 1, 2022 |
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 12 pCi/L, federal limit 5 pCi/L (2.4 times the limit)
|
340 | Apr 1, 2022 |
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 13 pCi/L, federal limit 5 pCi/L (2.6 times the limit)
|
340 | Jan 1, 2022 |
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 14.15 pCi/L, federal limit 5 pCi/L (2.8 times the limit)
|
340 | Oct 1, 2021 |
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 14.47 pCi/L, federal limit 5 pCi/L (2.9 times the limit)
|
340 | Jul 1, 2021 |
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 15 pCi/L, federal limit 5 pCi/L (3 times the limit)
|
340 | Apr 1, 2021 |
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 14 pCi/L, federal limit 5 pCi/L (2.8 times the limit)
|
340 | Jan 1, 2021 |
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 13 pCi/L, federal limit 5 pCi/L (2.6 times the limit)
|
340 | Oct 1, 2020 |
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 13.28 pCi/L, federal limit 5 pCi/L (2.7 times the limit)
|
340 | Jul 1, 2020 |
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 13.8 pCi/L, federal limit 5 pCi/L (2.8 times the limit)
|
340 | Apr 1, 2020 |
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 13.42 pCi/L, federal limit 5 pCi/L (2.7 times the limit)
|
340 | Jan 1, 2020 |
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 13.07 pCi/L, federal limit 5 pCi/L (2.6 times the limit)
|
340 | Oct 1, 2019 |
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 15.9 pCi/L, federal limit 5 pCi/L (3.2 times the limit)
|
340 | Jul 1, 2019 |
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 11.67 pCi/L, federal limit 5 pCi/L (2.3 times the limit)
|
340 | Apr 1, 2019 |
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 5.825 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
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 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2024 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 12, 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 |
|
Public Notice
OTHER
|
Oct 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2023 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2023 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 30, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Oct 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 31, 2016 | Resolved |
Full record since 1998
EPA's records for West Grand Valley WA go back to 1998. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 6 | 2 |
| October 19, 2016 to 2019 | 4 | 1 |
| 2020s | 27 | 20 |
Most recent health-based violation before October 19, 2016: Bromate, began July 2015, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Bromate
Contaminant limit exceeded
Measured 0.047 mg/L, federal limit 0.01 mg/L (4.7 times the limit)
|
Jul 1, 2015 | Resolved |
|
Bromate
Contaminant limit exceeded
Measured 0.045 mg/L, federal limit 0.01 mg/L (4.5 times the limit)
|
Apr 1, 2015 | Resolved |
|
Bromate
Contaminant limit exceeded
Measured 0.045 mg/L, federal limit 0.01 mg/L (4.5 times the limit)
|
Jan 1, 2015 | Resolved |
|
Bromate
Contaminant limit exceeded
Measured 0.045 mg/L, federal limit 0.01 mg/L (4.5 times the limit)
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2011 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.2 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Jan 1, 1998 | Resolved |
Enforcement actions
Colorado regulators took 2 formal enforcement actions against West Grand Valley WA between 2020 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) | 35 violations (33 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U |
| Feb 24, 2020 | Colorado | Compliance order (no penalty) | 12 violations (12 health-based): Combined Radium (-226 and -228) |
What the violations mean
Combined Radium (-226 and -228)
26 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
5 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.
Where the water comes from
West Grand Valley WA draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
West Grand Valley WA 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 West Grand Valley WA 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