Public water system record
Grenville Water System
Serves an area of Union County, NM that includes Grenville · 45 people served
Federal records show 3 health-based violations and 33 monitoring/reporting issues for Grenville Water System in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 33
Key facts
- Grenville Water System draws water from 1 well.
- Most recent enforcement action: boil water order by New Mexico, July 2018.
- Record on file since 1993, with 10 health-based violations before October 19, 2016.
Check whether Grenville 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Sep 15, 2021 | Resolved | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 20, 2018 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2018 | 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
|
Nov 6, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 28, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Dec 19, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jun 26, 2021 | Resolved |
|
Public Notice
OTHER
|
Jun 26, 2021 | Resolved |
|
Public Notice
OTHER
|
Jun 26, 2021 | Resolved |
|
Public Notice
OTHER
|
Jun 26, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2020 | Resolved |
|
Asbestos
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 23, 2019 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 16, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Nov 8, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Sep 27, 2015 | Resolved |
|
Public Notice
OTHER
|
Sep 27, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2014 | Resolved |
Full record since 1993
EPA's records for Grenville Water System go back to 1993. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 20 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 4 |
| 2000s | 4 | 3 |
| 2010 to October 18, 2016 | 5 | 13 |
| October 19, 2016 to 2019 | 2 | 7 |
| 2020s | 1 | 23 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began December 2015, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Dec 27, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1999 | Resolved |
Enforcement actions
New Mexico regulators issued 1 boil water order to Grenville Water System in 2018. The most recent was a boil water order in July 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 20, 2018 | New Mexico | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
What the violations mean
Revised Total Coliform Rule
3 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Grenville Water System draws water from 1 well.
Annual water quality report
Grenville 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.
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 Grenville Water System 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 New Mexico.
Certified drinking water labs by state EPA guidance for private wells