Public water system record

Viejo San Acacio

Serves an area of Costilla County, CO · 45 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Viejo San Acacio in the last ten years.

  • CO0112810
  • SAN LUIS
  • CO
  • 45 served

System profile

Source water Groundwater
ZIP 81152
EPA system ID CO0112810

Verify this system on EPA ECHO →

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

Key facts

  • Viejo San Acacio draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent enforcement action: boil water order by Colorado, August 2015.
  • Record on file since 2010, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 13 unknown out of 24 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved

Full record since 2010

EPA's records for Viejo San Acacio go back to 2010. Before October 19, 2016 they list 2 health-based violations (2 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 2 0
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began September 2011, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Sep 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Apr 1, 2010 Resolved

Enforcement actions

Colorado regulators issued 1 boil water order to Viejo San Acacio in 2015. The most recent was a boil water order in August 2015.

Date By Action Violations covered
Aug 5, 2015 Colorado Boil water order 1 violation

Where the water comes from

Viejo San Acacio draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Viejo San Acacio 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 Viejo San Acacio 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 Colorado.