OCOTILLO OASIS, LLC
PWSID: CA3700291 · San Marcos, CA · Serves 96 people
According to EPA Safe Drinking Water Information System (SDWIS), OCOTILLO OASIS, LLC (PWSID CA3700291) in San Marcos, CA is listed as a CWS water system covering about 96 people. The same extract lists 53 health-based violation records spanning 2013-2023. Those 53 health-based rows for OCOTILLO OASIS, LLC cover contaminants such as Fluoride, Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.
OCOTILLO OASIS, LLC has 53 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 Fluoride, Nitrate. Recorded violations span 2013–2023. 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)
- CA3700291
- System Type
- CWS
- Water Source
- Groundwater
- Location
- San Marcos, CA
- Population Served
- 96
- Health Violations
- Yes (53)
What contaminants are in this water system?
Violation History (53)
| Contaminant | Health | Date |
|---|---|---|
| Fluoride | Yes | Apr 1, 2023 |
| Fluoride | Yes | Apr 1, 2023 |
| Fluoride | Yes | Jan 1, 2023 |
| Fluoride | Yes | Jan 1, 2023 |
| Fluoride | Yes | Oct 1, 2021 |
| Fluoride | Yes | Oct 1, 2021 |
| Fluoride | Yes | Jul 1, 2021 |
| Fluoride | Yes | Jul 1, 2021 |
| Fluoride | Yes | Apr 1, 2021 |
| Fluoride | Yes | Apr 1, 2021 |
| Fluoride | Yes | Jan 1, 2021 |
| Fluoride | Yes | Jan 1, 2021 |
| Fluoride | Yes | Jan 1, 2021 |
| Nitrate | Yes | Sep 3, 2019 |
| Nitrate | Yes | Sep 3, 2019 |
| Fluoride | Yes | Oct 1, 2017 |
| Fluoride | Yes | Oct 1, 2017 |
| Fluoride | Yes | Jul 1, 2017 |
| Fluoride | Yes | Jul 1, 2017 |
| Fluoride | Yes | Apr 1, 2017 |
| Fluoride | Yes | Apr 1, 2017 |
| Fluoride | Yes | Jan 1, 2017 |
| Fluoride | Yes | Jan 1, 2017 |
| Fluoride | Yes | Oct 1, 2016 |
| Fluoride | Yes | Oct 1, 2016 |
| Fluoride | Yes | Jul 1, 2016 |
| Fluoride | Yes | Jul 1, 2016 |
| Fluoride | Yes | Apr 1, 2016 |
| Fluoride | Yes | Apr 1, 2016 |
| Fluoride | Yes | Jan 1, 2016 |
| Fluoride | Yes | Jan 1, 2016 |
| Fluoride | Yes | Oct 1, 2015 |
| Fluoride | Yes | Oct 1, 2015 |
| Fluoride | Yes | Jul 1, 2015 |
| Fluoride | Yes | Jul 1, 2015 |
| Fluoride | Yes | Apr 1, 2015 |
| Fluoride | Yes | Apr 1, 2015 |
| Fluoride | Yes | Jan 1, 2015 |
| Fluoride | Yes | Jan 1, 2015 |
| Fluoride | Yes | Oct 1, 2014 |
| Fluoride | Yes | Oct 1, 2014 |
| Fluoride | Yes | Jul 1, 2014 |
| Fluoride | Yes | Jul 1, 2014 |
| Fluoride | Yes | Apr 1, 2014 |
| Fluoride | Yes | Apr 1, 2014 |
| Fluoride | Yes | Mar 1, 2014 |
| Fluoride | Yes | Mar 1, 2014 |
| Fluoride | Yes | Nov 1, 2013 |
| Fluoride | Yes | Nov 1, 2013 |
| Fluoride | Yes | Sep 1, 2013 |
| Fluoride | Yes | Sep 1, 2013 |
| Fluoride | Yes | Jun 1, 2013 |
| Fluoride | Yes | Jun 1, 2013 |
Frequently Asked Questions
What does EPA SDWIS list for OCOTILLO OASIS, LLC?
How many people does OCOTILLO OASIS, LLC serve?
What violations does OCOTILLO OASIS, LLC have?
What contaminants have been found in OCOTILLO OASIS, LLC water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest OCOTILLO OASIS, LLC on cumulative violation count (53) and EPA-reported population served (96). Violation-count peers include CROW AGENCY WATER SYSTEM, OAK CREEK WATER DISTRICT, SMITHLAND WATER & SEWER.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
OCOTILLO OASIS, LLC (CA3700291) is drawn from EPA SDWIS. Nearby county systems in this extract include SAN DIEGO, CITY OF; HELIX WATER DISTRICT; OTAY WATER DISTRICT; SWEETWATER AUTHORITY. Health-based rows (53 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.