Public water system record
Rancho Chaparral MWC
Serves an area of Monterey County, CA · 58 people served
Federal records show 9 health-based violations and no monitoring/reporting issues for Rancho Chaparral MWC in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 9
- Resolved
- 9
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Rancho Chaparral MWC draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, September 2008.
- Record on file since 1980, with 11 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 16 service lines.
Check whether Rancho Chaparral MWC 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 |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2015 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2015 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2015 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2015 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2014 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2014 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2013 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2013 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2012 | Resolved | No |
Full record since 1980
EPA's records for Rancho Chaparral MWC go back to 1980. Before October 19, 2016 they list 11 health-based violations (11 resolved) and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 0 | 1 |
| 2000s | 2 | 5 |
| 2010 to October 18, 2016 | 9 | 2 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began October 2015, Resolved.
Show all 11 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2014 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2014 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2013 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 2013 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2006 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Rancho Chaparral MWC in 2008. The most recent was a compliance order (no penalty) in September 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 5, 2008 | California | Compliance order (no penalty) | 8 violations (8 health-based): Surface Water Treatment Rule |
What the violations mean
Surface Water Treatment Rule
9 incidentsThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Rancho Chaparral MWC draws water from 1 well.
Annual water quality report
Rancho Chaparral MWC 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 Chaparral MWC 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