Public water system record
Cienega Water Company Inc
Serves Parker and Cienega Springs, La Paz County, AZ · 108 people served
Federal records show 3 health-based violations and 91 monitoring/reporting issues for Cienega Water Company Inc in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Groundwater
ZIP
85344
EPA system ID
AZ0415002
- Health-based violations, last 10 years
- 3
- Resolved
- 0
- Unresolved
- 1
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 91
Key facts
- Cienega Water Company Inc draws water from 2 wells.
- Highest measured level in the last 10 years: Fluoride, 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit), 2025.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, January 2025.
- Record on file since 1985, with 51 health-based violations before October 19, 2016.
Check whether Cienega Water Company Inc 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 |
|---|---|---|---|---|
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
330 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
330 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Dec 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Nov 15, 2025 | Active |
|
Chlorine
Monitoring and reporting
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2025 | Active |
|
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.
|
|
Fluoride
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Sep 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jul 30, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2025 | Active |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Jan 16, 2025 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Fluoride
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Dec 20, 2024 | Active |
|
Chlorine
Monitoring and reporting
|
Dec 1, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2024 | Resolved |
|
Fluoride
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 29, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Jul 20, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 21, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 8, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 8, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Oct 2, 2022 | Resolved |
|
Public Notice
OTHER
|
Oct 2, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Fluoride
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jan 12, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Nov 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Nov 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 14, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 12, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 12, 2020 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Jan 29, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Fluoride
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Fluoride
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Fluoride
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Fluoride
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Stage 2 Disinfection Byproducts Rule
Monitoring and reporting
|
Oct 1, 2013 | Resolved |
Full record since 1985
EPA's records for Cienega Water Company Inc go back to 1985. Before October 19, 2016 they list 51 health-based violations (50 resolved, 1 archived by EPA without a recorded fix) and 178 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 28 |
| 1990s | 5 | 25 |
| 2000s | 22 | 54 |
| 2010 to October 18, 2016 | 23 | 71 |
| October 19, 2016 to 2019 | 0 | 19 |
| 2020s | 3 | 69 |
Most recent health-based violation before October 19, 2016: Fluoride, began July 2016, Resolved.
Show all 51 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Apr 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Apr 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jan 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.6 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jul 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.5 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Apr 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jan 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.6 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Oct 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.6 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jul 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.6 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Apr 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.6 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jan 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Oct 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Apr 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Oct 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2007 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Apr 1, 2006 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2004 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Apr 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jul 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Apr 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2002 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2001 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2001 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.5 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jan 1, 2001 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 6.1 mg/L, federal limit 4 mg/L (1.5 times the limit)
|
Apr 1, 2000 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2000 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Oct 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.3 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Apr 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 1999 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 1998 | Resolved |
1 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Arizona regulators took 2 formal enforcement actions against Cienega Water Company Inc between 1995 and 2025. The most recent was a compliance order (no penalty) in January 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 29, 2025 | Arizona | Compliance order (no penalty) | 5 violations (2 health-based): Fluoride |
| Jan 10, 1995 | Arizona | Compliance order (no penalty) | 82 violations (49 health-based): Fluoride |
What the violations mean
Fluoride
2 incidentsFluoride exceeded the federal limit
Excessive fluoride can cause dental and skeletal fluorosis
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Cienega Water Company Inc draws water from 2 wells.
Annual water quality report
Cienega Water Company Inc 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 Cienega Water Company Inc 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