Mesa Grande - Black Canyon
PWSID: 090605132 · Santa Ysabel, CA · Serves 81 people
According to EPA Safe Drinking Water Information System (SDWIS), Mesa Grande - Black Canyon (PWSID 090605132) in Santa Ysabel, CA is listed as a CWS water system covering about 81 people. The same extract lists 2 health-based violation records spanning 2024-2024. Those 2 health-based rows for Mesa Grande - Black Canyon cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
Mesa Grande - Black Canyon 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. 1 distinct EPA contaminant code appears in this system's record, including Groundwater Rule. Recorded violations span 2024–2024. 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)
- 090605132
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Santa Ysabel, CA
- Population Served
- 81
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | May 16, 2024 |
| Groundwater Rule | Yes | May 16, 2024 |
Frequently Asked Questions
What does EPA SDWIS list for Mesa Grande - Black Canyon?
How many people does Mesa Grande - Black Canyon serve?
What violations does Mesa Grande - Black Canyon have?
What contaminants have been found in Mesa Grande - Black Canyon water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Mesa Grande - Black Canyon on cumulative violation count (2) and EPA-reported population served (81). 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.
Nearby Water Systems
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About This Data
Mesa Grande - Black Canyon (090605132) 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 (2 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.