Public water system record
Chama Water System
Serves Chama, Rio Arriba County, NM · 1,573 people served
Federal records show 7 health-based violations and 75 monitoring/reporting issues for Chama Water System in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 7
- Resolved
- 7
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 75
Key facts
- Chama Water System draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order with a penalty by New Mexico, September 2024.
- Record on file since 1992, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 564 unknown out of 564 service lines.
Check whether Chama Water System 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 |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2022 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Public Notice
OTHER
|
Apr 13, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 31, 2023 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Aug 19, 2023 |
Active
Enforcement action in place
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jul 2, 2023 |
Active
Enforcement action in place
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Public Notice
OTHER
|
May 23, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
May 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 14, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Sep 2, 2022 | Resolved |
|
Public Notice
OTHER
|
Jan 17, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jul 31, 2021 | Resolved |
|
Public Notice
OTHER
|
Apr 22, 2021 | Resolved |
|
Public Notice
OTHER
|
Apr 21, 2021 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Aug 13, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 16, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 16, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Jun 15, 2020 | Resolved |
|
Public Notice
OTHER
|
Jun 15, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
|
Public Notice
OTHER
|
May 14, 2020 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
OTHER
|
May 1, 2020 |
Active
Enforcement action in place
|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Feb 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Dec 16, 2018 | Resolved |
|
Public Notice
OTHER
|
Dec 16, 2018 | Resolved |
|
Public Notice
OTHER
|
Nov 21, 2018 | Resolved |
|
Public Notice
OTHER
|
Nov 21, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Aug 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
OTHER
|
May 1, 2018 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Apr 27, 2018 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2018 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2018 | Resolved |
|
Public Notice
OTHER
|
Mar 17, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 11, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 11, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2018 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2018 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 27, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2014 | Resolved |
Full record since 1992
EPA's records for Chama Water System go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 69 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 9 |
| 2000s | 0 | 39 |
| 2010 to October 18, 2016 | 0 | 21 |
| October 19, 2016 to 2019 | 0 | 24 |
| 2020s | 7 | 49 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 1997, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
Enforcement actions
New Mexico regulators and EPA took 3 formal enforcement actions against Chama Water System and issued 1 boil water order between 1997 and 2024. The most recent was a compliance order with a penalty in September 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 9, 2024 | New Mexico | Compliance order with a penalty | 3 violations: Interim Enhanced Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule |
| Oct 18, 2023 | New Mexico | Compliance order (no penalty) | 16 violations (7 health-based): Public Notice, Interim Enhanced Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule, Total Trihalomethanes (TTHMs) |
| May 10, 2023 | New Mexico | Boil water order | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
| Aug 15, 1997 | EPA | Compliance order (no penalty) | 4 violations (1 health-based): Total Coliform |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
7 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
Chama Water System draws water from 1 surface water intake.
Annual water quality report
Chama Water System 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 New Mexico.
Certified drinking water labs by state EPA guidance for private wells