ROSA JOINT VENTURES WATER SYSTEM
PWSID: NM3500324 · Ignacio, CO · Serves 239 people
According to EPA Safe Drinking Water Information System (SDWIS), ROSA JOINT VENTURES WATER SYSTEM (PWSID NM3500324) in Ignacio, CO is listed as a CWS water system covering about 239 people. The same extract lists 66 health-based violation records spanning 2017-2025. Those 66 health-based rows for ROSA JOINT VENTURES WATER SYSTEM cover contaminants such as Groundwater Rule, Selenium, Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
ROSA JOINT VENTURES WATER SYSTEM has 66 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Groundwater Rule, Selenium, Revised Total Coliform Rule. Recorded violations span 2017–2025. Day-to-day primacy enforcement for this system runs through the Colorado drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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)
- NM3500324
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Ignacio, CO
- Population Served
- 239
- Health Violations
- Yes (66)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 50 | 50 |
| Selenium | 12 | 12 |
| Revised Total Coliform Rule | 4 | 4 |
Violation History (66)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Dec 24, 2025 |
| Groundwater Rule | Yes | Aug 9, 2023 |
| Groundwater Rule | Yes | Aug 9, 2023 |
| Groundwater Rule | Yes | Aug 9, 2023 |
| Groundwater Rule | Yes | Aug 9, 2023 |
| Groundwater Rule | Yes | Aug 9, 2023 |
| Groundwater Rule | Yes | Aug 9, 2023 |
| Selenium | Yes | Oct 1, 2021 |
| Selenium | Yes | Oct 1, 2021 |
| Selenium | Yes | Oct 1, 2021 |
| Revised Total Coliform Rule | Yes | Dec 22, 2020 |
| Revised Total Coliform Rule | Yes | Dec 22, 2020 |
| Selenium | Yes | Jul 1, 2020 |
| Selenium | Yes | Jul 1, 2020 |
| Selenium | Yes | Jul 1, 2020 |
| Groundwater Rule | Yes | Jun 11, 2020 |
| Groundwater Rule | Yes | Jun 11, 2020 |
| Groundwater Rule | Yes | Jun 11, 2020 |
| Groundwater Rule | Yes | Jun 11, 2020 |
| Groundwater Rule | Yes | Jun 11, 2020 |
| Groundwater Rule | Yes | Jun 11, 2020 |
| Revised Total Coliform Rule | Yes | Jun 1, 2020 |
| Revised Total Coliform Rule | Yes | Jun 1, 2020 |
| Selenium | Yes | Apr 1, 2020 |
| Selenium | Yes | Apr 1, 2020 |
| Selenium | Yes | Apr 1, 2020 |
| Selenium | Yes | Jan 1, 2020 |
| Selenium | Yes | Jan 1, 2020 |
| Selenium | Yes | Jan 1, 2020 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
| Groundwater Rule | Yes | Jun 10, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for ROSA JOINT VENTURES WATER SYSTEM?
How many people does ROSA JOINT VENTURES WATER SYSTEM serve?
What violations does ROSA JOINT VENTURES WATER SYSTEM have?
What contaminants have been found in ROSA JOINT VENTURES WATER SYSTEM water?
Compare beyond Colorado
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ROSA JOINT VENTURES WATER SYSTEM on cumulative violation count (66) and EPA-reported population served (239). Violation-count peers include NACIMIENTO WATER COMPANY, SABINE PARISH WD #1 - POWHATAN, WELCH PWA.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
ROSA JOINT VENTURES WATER SYSTEM (NM3500324) is drawn from EPA SDWIS. Nearby county systems in this extract include DURANGO CITY OF; ANIMAS WC; BAYFIELD TOWN OF; FOREST LAKES MD. Health-based rows (66 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.