Public water system record
Picacho DWID
Serves Picacho, Pinal County, AZ · 340 people served
Federal records show 4 health-based violations and 58 monitoring/reporting issues for Picacho DWID in the last ten years. The most serious issue in this window was a resolved Arsenic violation.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 4
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 58
Key facts
- Picacho DWID draws water from 1 well.
- Highest measured level in the last 10 years: Arsenic, 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit), 2019.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, May 2020.
- Record on file since 1980, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 95 service lines.
Check whether Picacho DWID 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 |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
330 | Jul 1, 2020 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.016 mg/L, federal limit 0.01 mg/L (1.6 times the limit)
|
330 | Apr 1, 2020 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
330 | Jan 1, 2020 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
|
330 | Oct 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Mar 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Active |
|
Public Notice
OTHER
|
Nov 3, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Active |
|
Public Notice
OTHER
|
Nov 19, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 2, 2022 | Resolved |
|
Public Notice
OTHER
|
Nov 6, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2021 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 5, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Feb 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2016 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2015 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2015 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
Full record since 1980
EPA's records for Picacho DWID go back to 1980. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 226 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 12 |
| 1990s | 0 | 77 |
| 2000s | 5 | 51 |
| 2010 to October 18, 2016 | 0 | 86 |
| October 19, 2016 to 2019 | 1 | 14 |
| 2020s | 3 | 28 |
Most recent health-based violation before October 19, 2016: Arsenic, began April 2009, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Apr 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Jul 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Oct 1, 2007 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
|
Jan 1, 2007 | Resolved |
Enforcement actions
Arizona regulators took 2 formal enforcement actions against Picacho DWID between 2004 and 2020. The most recent was a compliance order (no penalty) in May 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 8, 2020 | Arizona | Compliance order (no penalty) | 5 violations (5 health-based): Arsenic |
| Nov 1, 2004 | Arizona | Compliance order with a penalty | 7 violations: Nitrate, Total Coliform |
What the violations mean
Arsenic
4 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Picacho DWID draws water from 1 well. It also has an emergency connection to Picacho Elementary School District. 1 other public water system has an emergency connection to Picacho DWID.
Emergency or part-time connections to
- Picacho Elementary School District Picachho, AZ
Annual water quality report
Picacho DWID 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 Picacho DWID 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