MONTE VISTA WATER COMPANY
PWSID: AZ0402043 · Tucson, AZ · Serves 150 people
According to EPA Safe Drinking Water Information System (SDWIS), MONTE VISTA WATER COMPANY (PWSID AZ0402043) in Tucson, AZ is listed as a CWS water system covering about 150 people. The same extract lists 25 health-based violation records spanning 2008-2024. Those 25 health-based rows for MONTE VISTA WATER COMPANY cover contaminants such as Arsenic, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
MONTE VISTA WATER COMPANY has 25 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. 2 distinct EPA contaminant codes appear in this system's record, including Arsenic, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2008–2024. Day-to-day primacy enforcement for this system runs through the Arizona 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 Arizona state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AZ0402043
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Tucson, AZ
- Population Served
- 150
- Health Violations
- Yes (25)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Arsenic | 24 | 24 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (25)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Jul 1, 2020 |
| Arsenic | Yes | Apr 1, 2020 |
| Arsenic | Yes | Jan 1, 2020 |
| Arsenic | Yes | Oct 1, 2019 |
| Arsenic | Yes | Apr 1, 2019 |
| Arsenic | Yes | Oct 1, 2018 |
| Arsenic | Yes | Jul 1, 2018 |
| Arsenic | Yes | Apr 1, 2012 |
| Arsenic | Yes | Oct 1, 2010 |
| Arsenic | Yes | Jul 1, 2010 |
| Arsenic | Yes | Apr 1, 2010 |
| Arsenic | Yes | Jan 1, 2010 |
| Arsenic | Yes | Oct 1, 2009 |
| Arsenic | Yes | Jul 1, 2009 |
| Arsenic | Yes | Apr 1, 2009 |
| Arsenic | Yes | Jan 1, 2009 |
| Arsenic | Yes | Oct 1, 2008 |
Frequently Asked Questions
What does EPA SDWIS list for MONTE VISTA WATER COMPANY?
How many people does MONTE VISTA WATER COMPANY serve?
What violations does MONTE VISTA WATER COMPANY have?
What contaminants have been found in MONTE VISTA WATER COMPANY water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MONTE VISTA WATER COMPANY on cumulative violation count (25) and EPA-reported population served (150). Violation-count peers include GILBERTOWN, UTILITIES BOARD OF TOWN OF, BRANCH WATER WORKS, JUNIPER RIVIERA CWD.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
MONTE VISTA WATER COMPANY (AZ0402043) is drawn from EPA SDWIS. Nearby county systems in this extract include METROPOLITAN DWID; ORO VALLEY WATER UTILITY; COMMUNITY WC OF GREEN VALLEY; USAF DAVIS MONTHAN AFB. Health-based rows (25 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.