Public water system record
CS Mormon Lake Water Company
On record as serving Mormon Lake, Coconino County, AZ · Serves 353 people
Federal records show no health-based violations and 6 monitoring/reporting issues for CS Mormon Lake Water Company in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- CS Mormon Lake Water Company draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1988, with 1 health-based violation before October 19, 2016.
Check whether CS Mormon Lake Water Company 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Jul 30, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Aug 27, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2018 | Resolved |
Full record since 1988
EPA's records for CS Mormon Lake Water Company go back to 1988. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 49 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 3 |
| 2000s | 0 | 28 |
| 2010 to October 18, 2016 | 1 | 18 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 2012, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2012 | Resolved |
Where the water comes from
CS Mormon Lake Water Company draws water from 4 wells (1 of them for emergency, seasonal or other part-time use). 1 smaller public system such as schools, businesses or campgrounds buys water from CS Mormon Lake Water Company. 1 other public water system has an emergency connection to CS Mormon Lake Water Company.
Annual water quality report
CS Mormon Lake Water Company 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 CS Mormon Lake Water Company 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 Arizona.
Certified drinking water labs by state EPA guidance for private wells