EUREKA WC
PWSID: CO0145150 · Rocky Ford, CO · Serves 498 people
EUREKA WC has 85 health-based violations out of 85 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
EUREKA WC (PWSID CO0145150) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 498 people in Rocky Ford, CO, and is subject to primacy enforcement by the Colorado drinking-water program.
The system's federal compliance record contains 85 total violations, with 85 classified as health-based (MCL exceedances or treatment-technique failures). 4 distinct contaminants have been cited, including Lead & Copper Rule, Copper, Combined Radium 226/228. Recorded violations span 2016–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Colorado state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CO0145150
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Rocky Ford, CO
- Population Served
- 498
- Health Violations
- Yes (85)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead & Copper Rule | 43 | 43 |
| Copper | 37 | 37 |
| Combined Radium 226/228 | 3 | 3 |
| Chlorine | 2 | 2 |
Violation History (85)
| Contaminant | Health | Date |
|---|---|---|
| Lead & Copper Rule | Yes | Jul 1, 2025 |
| Copper | Yes | Jul 1, 2025 |
| Combined Radium 226/228 | Yes | Apr 1, 2025 |
| Lead & Copper Rule | Yes | Apr 1, 2025 |
| Copper | Yes | Apr 1, 2025 |
| Copper | Yes | Apr 1, 2025 |
| Lead & Copper Rule | Yes | Jan 1, 2025 |
| Copper | Yes | Jan 1, 2025 |
| Combined Radium 226/228 | Yes | Dec 1, 2024 |
| Combined Radium 226/228 | Yes | Dec 1, 2024 |
| Lead & Copper Rule | Yes | Oct 1, 2024 |
| Copper | Yes | Oct 1, 2024 |
| Lead & Copper Rule | Yes | Jul 1, 2024 |
| Lead & Copper Rule | Yes | Jul 1, 2024 |
| Copper | Yes | Jul 1, 2024 |
| Copper | Yes | Jul 1, 2024 |
| Copper | Yes | Apr 1, 2024 |
| Copper | Yes | Apr 1, 2024 |
| Lead & Copper Rule | Yes | Apr 1, 2024 |
| Lead & Copper Rule | Yes | Apr 1, 2024 |
| Chlorine | Yes | Feb 1, 2024 |
| Chlorine | Yes | Feb 1, 2024 |
| Copper | Yes | Jan 1, 2024 |
| Copper | Yes | Jan 1, 2024 |
| Lead & Copper Rule | Yes | Jan 1, 2024 |
| Lead & Copper Rule | Yes | Jan 1, 2024 |
| Copper | Yes | Oct 1, 2023 |
| Copper | Yes | Oct 1, 2023 |
| Lead & Copper Rule | Yes | Oct 1, 2023 |
| Lead & Copper Rule | Yes | Oct 1, 2023 |
| Copper | Yes | Jul 1, 2023 |
| Copper | Yes | Jul 1, 2023 |
| Lead & Copper Rule | Yes | Jul 1, 2023 |
| Lead & Copper Rule | Yes | Jul 1, 2023 |
| Copper | Yes | Apr 1, 2023 |
| Copper | Yes | Apr 1, 2023 |
| Lead & Copper Rule | Yes | Apr 1, 2023 |
| Lead & Copper Rule | Yes | Apr 1, 2023 |
| Copper | Yes | Jan 1, 2023 |
| Copper | Yes | Jan 1, 2023 |
| Lead & Copper Rule | Yes | Jan 1, 2023 |
| Lead & Copper Rule | Yes | Jan 1, 2023 |
| Lead & Copper Rule | Yes | Oct 1, 2022 |
| Lead & Copper Rule | Yes | Oct 1, 2022 |
| Copper | Yes | Oct 1, 2022 |
| Copper | Yes | Oct 1, 2022 |
| Lead & Copper Rule | Yes | Jul 1, 2022 |
| Lead & Copper Rule | Yes | Jul 1, 2022 |
| Lead & Copper Rule | Yes | Apr 1, 2022 |
| Lead & Copper Rule | Yes | Apr 1, 2022 |
| Lead & Copper Rule | Yes | Jan 1, 2022 |
| Lead & Copper Rule | Yes | Oct 1, 2021 |
| Lead & Copper Rule | Yes | Jul 1, 2021 |
| Copper | Yes | Jul 1, 2021 |
| Lead & Copper Rule | Yes | Apr 1, 2021 |
| Copper | Yes | Apr 1, 2021 |
| Lead & Copper Rule | Yes | Jan 1, 2021 |
| Copper | Yes | Jan 1, 2021 |
| Lead & Copper Rule | Yes | Oct 1, 2020 |
| Copper | Yes | Oct 1, 2020 |
| Lead & Copper Rule | Yes | Jul 1, 2020 |
| Copper | Yes | Jul 1, 2020 |
| Copper | Yes | Apr 1, 2020 |
| Lead & Copper Rule | Yes | Apr 1, 2020 |
| Copper | Yes | Jan 1, 2020 |
| Lead & Copper Rule | Yes | Jan 1, 2020 |
| Lead & Copper Rule | Yes | Oct 1, 2019 |
| Copper | Yes | Oct 1, 2019 |
| Lead & Copper Rule | Yes | Jul 1, 2019 |
| Copper | Yes | Jul 1, 2019 |
| Copper | Yes | Apr 1, 2019 |
| Lead & Copper Rule | Yes | Apr 1, 2019 |
| Copper | Yes | Jan 1, 2019 |
| Lead & Copper Rule | Yes | Jan 1, 2019 |
| Copper | Yes | Oct 1, 2018 |
| Lead & Copper Rule | Yes | Oct 1, 2018 |
| Copper | Yes | Jul 1, 2018 |
| Lead & Copper Rule | Yes | Jul 1, 2018 |
| Lead & Copper Rule | Yes | Apr 1, 2018 |
| Copper | Yes | Apr 1, 2018 |
| Lead & Copper Rule | Yes | Jan 1, 2018 |
| Copper | Yes | Jan 1, 2018 |
| Lead & Copper Rule | Yes | Jan 1, 2017 |
| Copper | Yes | Jan 1, 2016 |
| Lead & Copper Rule | Yes | Jan 1, 2016 |
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.