Public water system record
Peekaboo Water Coop
Serves an area of Maricopa County, AZ that includes Chandler · 100 people served
Federal records show 2 health-based violations and 1 monitoring/reporting issue for Peekaboo Water Coop 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
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Peekaboo Water Coop draws water from 1 well.
- Highest measured level in the last 10 years: Arsenic, 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit), 2017.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, May 2017.
- Record on file since 1988, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 15 unknown out of 25 service lines.
Check whether Peekaboo Water Coop 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 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Jul 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Apr 1, 2017 | 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 |
Full record since 1988
EPA's records for Peekaboo Water Coop go back to 1988. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 17 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 2000s | 0 | 10 |
| 2010 to October 18, 2016 | 5 | 7 |
| October 19, 2016 to 2019 | 2 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Arsenic, began April 2015, Resolved.
Show all 6 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, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Oct 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Jan 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Oct 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 1, 1988 | Resolved |
Enforcement actions
Arizona regulators took 1 formal enforcement action against Peekaboo Water Coop in 2017. The most recent was a compliance order (no penalty) in May 2017.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 2, 2017 | Arizona | Compliance order (no penalty) | 6 violations (5 health-based): Arsenic |
What the violations mean
Arsenic
2 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Peekaboo Water Coop draws water from 1 well.
Annual water quality report
Peekaboo Water Coop 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 Peekaboo Water Coop 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