SAN MIGUEL WS #01
PWSID: CA2700738 · Royal Oaks, CA · Serves 100 people
According to EPA Safe Drinking Water Information System (SDWIS), SAN MIGUEL WS #01 (PWSID CA2700738) in Royal Oaks, CA is listed as a CWS water system covering about 100 people. The same extract lists 59 health-based violation records spanning 2005-2025. Those 59 health-based rows for SAN MIGUEL WS #01 cover contaminants such as Nitrate, Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
SAN MIGUEL WS #01 has 59 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 Nitrate, Revised Total Coliform Rule. Recorded violations span 2005–2025. Day-to-day primacy enforcement for this system runs through the California 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 California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA2700738
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Royal Oaks, CA
- Population Served
- 100
- Health Violations
- Yes (59)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 58 | 58 |
| Revised Total Coliform Rule | 1 | 1 |
Violation History (59)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Nov 18, 2025 |
| Nitrate | Yes | Jan 1, 2020 |
| Nitrate | Yes | Oct 1, 2019 |
| Nitrate | Yes | Jul 1, 2019 |
| Nitrate | Yes | Apr 1, 2019 |
| Nitrate | Yes | Jan 1, 2019 |
| Nitrate | Yes | Oct 1, 2018 |
| Nitrate | Yes | Jul 1, 2018 |
| Nitrate | Yes | Apr 1, 2018 |
| Nitrate | Yes | Jan 1, 2018 |
| Nitrate | Yes | Oct 1, 2017 |
| Nitrate | Yes | Jul 1, 2017 |
| Nitrate | Yes | Apr 1, 2017 |
| Nitrate | Yes | Jan 1, 2017 |
| Nitrate | Yes | Oct 1, 2016 |
| Nitrate | Yes | Jul 1, 2016 |
| Nitrate | Yes | Apr 1, 2016 |
| Nitrate | Yes | Jan 1, 2016 |
| Nitrate | Yes | Oct 1, 2015 |
| Nitrate | Yes | Jul 1, 2015 |
| Nitrate | Yes | Apr 1, 2015 |
| Nitrate | Yes | Jan 1, 2015 |
| Nitrate | Yes | Jul 1, 2014 |
| Nitrate | Yes | Apr 1, 2014 |
| Nitrate | Yes | Jan 1, 2014 |
| Nitrate | Yes | Oct 1, 2013 |
| Nitrate | Yes | Jul 1, 2013 |
| Nitrate | Yes | Apr 1, 2013 |
| Nitrate | Yes | Jan 1, 2013 |
| Nitrate | Yes | Oct 1, 2012 |
| Nitrate | Yes | Jul 1, 2012 |
| Nitrate | Yes | Apr 1, 2012 |
| Nitrate | Yes | Jan 1, 2012 |
| Nitrate | Yes | Dec 1, 2011 |
| Nitrate | Yes | Nov 1, 2011 |
| Nitrate | Yes | Jul 1, 2011 |
| Nitrate | Yes | Apr 1, 2011 |
| Nitrate | Yes | Feb 1, 2011 |
| Nitrate | Yes | Nov 1, 2010 |
| Nitrate | Yes | Sep 1, 2010 |
| Nitrate | Yes | May 1, 2010 |
| Nitrate | Yes | Feb 1, 2010 |
| Nitrate | Yes | Nov 1, 2009 |
| Nitrate | Yes | Sep 1, 2009 |
| Nitrate | Yes | Jan 1, 2009 |
| Nitrate | Yes | Oct 1, 2008 |
| Nitrate | Yes | Aug 1, 2008 |
| Nitrate | Yes | Apr 1, 2008 |
| Nitrate | Yes | Apr 1, 2008 |
| Nitrate | Yes | Jan 1, 2008 |
| Nitrate | Yes | Nov 1, 2007 |
| Nitrate | Yes | Sep 1, 2007 |
| Nitrate | Yes | May 1, 2007 |
| Nitrate | Yes | May 1, 2007 |
| Nitrate | Yes | Oct 1, 2006 |
| Nitrate | Yes | Aug 1, 2006 |
| Nitrate | Yes | Apr 1, 2006 |
| Nitrate | Yes | Jan 1, 2006 |
| Nitrate | Yes | Nov 1, 2005 |
Frequently Asked Questions
What does EPA SDWIS list for SAN MIGUEL WS #01?
How many people does SAN MIGUEL WS #01 serve?
What violations does SAN MIGUEL WS #01 have?
What contaminants have been found in SAN MIGUEL WS #01 water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SAN MIGUEL WS #01 on cumulative violation count (59) and EPA-reported population served (100). Violation-count peers include ANTLERS PWA, CWM WATER AUTHORITY, SOUTHWEST ARKANSAS WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
SAN MIGUEL WS #01 (CA2700738) is drawn from EPA SDWIS. Nearby county systems in this extract include SANTA CRUZ WATER DEPARTMENT; WATSONVILLE, CITY OF; SOQUEL CREEK WATER DISTRICT; SAN LORENZO VALLEY WATER DIST. Health-based rows (59 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.