Public water system record
White Cliffs Mdwua
Serves Gallup and White Cliffs, McKinley County, NM · 323 people served
Federal records show 2 health-based violations and 6 monitoring/reporting issues for White Cliffs Mdwua in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- White Cliffs Mdwua draws water from 3 wells.
- Record on file since 1992, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 81 service lines.
Check whether White Cliffs Mdwua 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 11, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 11, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
OTHER
|
Nov 24, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Oct 9, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 21, 2019 | Resolved |
|
Groundwater Rule
OTHER
|
Sep 15, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
Full record since 1992
EPA's records for White Cliffs Mdwua go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 27 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 11 |
| 2000s | 0 | 7 |
| 2010 to October 18, 2016 | 0 | 9 |
| October 19, 2016 to 2019 | 2 | 3 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 1999, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1998 | Resolved |
What the violations mean
Groundwater Rule
2 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
White Cliffs Mdwua draws water from 3 wells.
Annual water quality report
White Cliffs Mdwua 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 White Cliffs Mdwua 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