TOWN & COUNTRY - PRESTON
PWSID: AZ0412311 · Nogales, AZ · Serves 430 people
According to EPA Safe Drinking Water Information System (SDWIS), TOWN & COUNTRY - PRESTON (PWSID AZ0412311) in Nogales, AZ is listed as a CWS water system covering about 430 people. The same extract lists 2 health-based violation records spanning 2024-2025. Those 2 health-based rows for TOWN & COUNTRY - PRESTON cover contaminants such as Groundwater Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
TOWN & COUNTRY - PRESTON has 2 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 Groundwater Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2024–2025. 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)
- AZ0412311
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Nogales, AZ
- Population Served
- 430
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 1 | 1 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Apr 14, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for TOWN & COUNTRY - PRESTON?
How many people does TOWN & COUNTRY - PRESTON serve?
What violations does TOWN & COUNTRY - PRESTON have?
What contaminants have been found in TOWN & COUNTRY - PRESTON water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TOWN & COUNTRY - PRESTON on cumulative violation count (2) and EPA-reported population served (430). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Explore More
About This Data
TOWN & COUNTRY - PRESTON (AZ0412311) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2024-2025 covering Groundwater Rule, LEAD AND COPPER RULE REVISIONS. Historical registry entries, 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.