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Public water system record

Coastlands MWS (Post Creek)

Serves an area of Monterey County, CA · 129 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Coastlands MWS (Post Creek) in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • CA2701279
  • BIG SUR
  • CA
  • 129 served

System profile

Source water Surface water
ZIP 93920
EPA system ID CA2701279

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Coastlands MWS (Post Creek) draws water from 1 surface water intake.
  • Most recent enforcement action: boil water order by California, December 2016.
  • Record on file since 1980, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 27 service lines.

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Health-based violations

Since October 2016

Violation 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 Nov 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2017 Active

Full record since 1980

EPA's records for Coastlands MWS (Post Creek) go back to 1980. Before October 19, 2016 they list no health-based violations and 10 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 2
1990s 0 2
2000s 0 5
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 1 1

Enforcement actions

California regulators took 1 formal enforcement action against Coastlands MWS (Post Creek) and issued 1 boil water order in 2016. The most recent was a boil water order in December 2016.

Date By Action Violations covered
Dec 21, 2016 California Boil water order 1 violation (1 health-based): Surface Water Treatment Rule
Dec 21, 2016 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule

What the violations mean

Surface Water Treatment Rule

1 incident

The 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 this violation.

Where the water comes from

Coastlands MWS (Post Creek) draws water from 1 surface water intake.

Annual water quality report

Coastlands MWS (Post Creek) 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 Coastlands MWS (Post Creek) 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