Public water system record
CS Q Mountain Water Company
Serves Quartzsite and La Paz Valley, La Paz County, AZ · 1,224 people served
Federal records show no health-based violations and 18 monitoring/reporting issues for CS Q Mountain 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
- 18
Key facts
- CS Q Mountain Water Company draws water from 3 wells.
- Record on file since 1998, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 151 unknown out of 474 service lines.
Check whether CS Q Mountain 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 16, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2019 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 3, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
May 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 1, 2016 | Resolved |
Full record since 1998
EPA's records for CS Q Mountain Water Company go back to 1998. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 88 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 32 |
| 2000s | 3 | 39 |
| 2010 to October 18, 2016 | 1 | 17 |
| October 19, 2016 to 2019 | 0 | 9 |
| 2020s | 0 | 9 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2013, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
Where the water comes from
CS Q Mountain Water Company draws water from 3 wells.
Annual water quality report
CS Q Mountain 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.
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 Arizona.
Certified drinking water labs by state EPA guidance for private wells