Public water system record
Rancho Colina Mobile Home Park
Serves an area of San Luis Obispo County, CA · 249 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for Rancho Colina Mobile Home Park in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- Rancho Colina Mobile Home Park draws water from 3 wells (2 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Nitrate, 11 mg/L, federal limit 10 mg/L (1.1 times the limit), 2023.
- Most recent formal enforcement: compliance order (no penalty) by California, August 2023.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 129 service lines.
Check whether Rancho Colina Mobile Home Park serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Aug 1, 2023 | Resolved | Yes |
Full record since 1980
EPA's records for Rancho Colina Mobile Home Park go back to 1980. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 3 |
| 2020s | 1 | 0 |
Enforcement actions
California regulators took 1 formal enforcement action against Rancho Colina Mobile Home Park in 2023. The most recent was a compliance order (no penalty) in August 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 10, 2023 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
What the violations mean
Nitrate
1 incidentNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
Rancho Colina Mobile Home Park draws water from 3 wells (2 of them for emergency, seasonal or other part-time use).
Annual water quality report
Rancho Colina Mobile Home Park must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Rancho Colina Mobile Home Park for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells