ANTELOPE PEAK DWID
PWSID: AZ0411712 · Maricopa, AZ · Serves 150 people
ANTELOPE PEAK DWID has 130 health-based violations out of 130 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
ANTELOPE PEAK DWID (PWSID AZ0411712) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 150 people in Maricopa, AZ, and is subject to primacy enforcement by the Arizona drinking-water program.
The system's federal compliance record contains 130 total violations, with 130 classified as health-based (MCL exceedances or treatment-technique failures). 6 distinct contaminants have been cited, including Lead (Action Level), Manganese, Barium. Recorded violations span 2001–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AZ0411712
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Maricopa, AZ
- Population Served
- 150
- Health Violations
- Yes (130)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead (Action Level) | 39 | 39 |
| Manganese | 36 | 36 |
| Barium | 31 | 31 |
| Nitrate | 22 | 22 |
| Gross Alpha | 1 | 1 |
| Copper | 1 | 1 |
Violation History (130)
| Contaminant | Health | Date |
|---|---|---|
| Gross Alpha | Yes | Oct 17, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Lead (Action Level) | Yes | Jul 1, 2022 |
| Lead (Action Level) | Yes | Jul 1, 2022 |
| Lead (Action Level) | Yes | Oct 1, 2015 |
| Lead (Action Level) | Yes | Oct 1, 2015 |
| Lead (Action Level) | Yes | Jul 1, 2015 |
| Lead (Action Level) | Yes | Jul 1, 2015 |
| Barium | Yes | Apr 1, 2015 |
| Lead (Action Level) | Yes | Apr 1, 2015 |
| Lead (Action Level) | Yes | Apr 1, 2015 |
| Manganese | Yes | Jan 1, 2015 |
| Nitrate | Yes | Jan 1, 2015 |
| Barium | Yes | Jan 1, 2015 |
| Nitrate | Yes | Jan 1, 2015 |
| Nitrate | Yes | Oct 1, 2014 |
| Manganese | Yes | Oct 1, 2014 |
| Barium | Yes | Oct 1, 2014 |
| Barium | Yes | Jul 1, 2014 |
| Nitrate | Yes | Jul 1, 2014 |
| Manganese | Yes | Jul 1, 2014 |
| Lead (Action Level) | Yes | Jul 1, 2014 |
| Lead (Action Level) | Yes | Apr 1, 2014 |
| Lead (Action Level) | Yes | Apr 1, 2014 |
| Nitrate | Yes | Apr 1, 2014 |
| Manganese | Yes | Apr 1, 2014 |
| Barium | Yes | Apr 1, 2014 |
| Manganese | Yes | Jan 1, 2014 |
| Barium | Yes | Jan 1, 2014 |
| Nitrate | Yes | Jan 1, 2014 |
| Lead (Action Level) | Yes | Jan 1, 2014 |
| Lead (Action Level) | Yes | Jan 1, 2014 |
| Nitrate | Yes | Oct 1, 2013 |
| Manganese | Yes | Oct 1, 2013 |
| Barium | Yes | Oct 1, 2013 |
| Lead (Action Level) | Yes | Jul 1, 2013 |
| Lead (Action Level) | Yes | Jul 1, 2013 |
| Nitrate | Yes | Jul 1, 2013 |
| Barium | Yes | Jul 1, 2013 |
| Manganese | Yes | Jul 1, 2013 |
| Nitrate | Yes | Apr 1, 2013 |
| Lead (Action Level) | Yes | Apr 1, 2013 |
| Lead (Action Level) | Yes | Apr 1, 2013 |
| Barium | Yes | Apr 1, 2013 |
| Manganese | Yes | Apr 1, 2013 |
| Manganese | Yes | Apr 1, 2013 |
| Nitrate | Yes | Jan 1, 2013 |
| Lead (Action Level) | Yes | Jan 1, 2013 |
| Manganese | Yes | Jan 1, 2013 |
| Manganese | Yes | Jan 1, 2013 |
| Barium | Yes | Jan 1, 2013 |
| Nitrate | Yes | Oct 1, 2012 |
| Barium | Yes | Oct 1, 2012 |
| Manganese | Yes | Oct 1, 2012 |
| Manganese | Yes | Oct 1, 2012 |
| Lead (Action Level) | Yes | Oct 1, 2012 |
| Lead (Action Level) | Yes | Oct 1, 2012 |
| Nitrate | Yes | Jul 1, 2012 |
| Manganese | Yes | Jul 1, 2012 |
| Manganese | Yes | Jul 1, 2012 |
| Barium | Yes | Jul 1, 2012 |
| Lead (Action Level) | Yes | Jul 1, 2012 |
| Lead (Action Level) | Yes | Jul 1, 2012 |
| Nitrate | Yes | Apr 1, 2012 |
| Lead (Action Level) | Yes | Apr 1, 2012 |
| Lead (Action Level) | Yes | Apr 1, 2012 |
| Manganese | Yes | Apr 1, 2012 |
| Manganese | Yes | Apr 1, 2012 |
| Barium | Yes | Apr 1, 2012 |
| Nitrate | Yes | Jan 1, 2012 |
| Lead (Action Level) | Yes | Jan 1, 2012 |
| Manganese | Yes | Jan 1, 2012 |
| Barium | Yes | Jan 1, 2012 |
| Lead (Action Level) | Yes | Oct 1, 2011 |
| Lead (Action Level) | Yes | Oct 1, 2011 |
| Manganese | Yes | Oct 1, 2011 |
| Barium | Yes | Oct 1, 2011 |
| Manganese | Yes | Jul 1, 2011 |
| Barium | Yes | Jul 1, 2011 |
| Lead (Action Level) | Yes | Jul 1, 2011 |
| Lead (Action Level) | Yes | Jul 1, 2011 |
| Nitrate | Yes | Apr 1, 2011 |
| Lead (Action Level) | Yes | Apr 1, 2011 |
| Manganese | Yes | Apr 1, 2011 |
| Barium | Yes | Apr 1, 2011 |
| Lead (Action Level) | Yes | Jan 1, 2011 |
| Lead (Action Level) | Yes | Jan 1, 2011 |
| Copper | Yes | Jan 1, 2011 |
| Manganese | Yes | Jan 1, 2011 |
| Barium | Yes | Jan 1, 2011 |
| Lead (Action Level) | Yes | Oct 1, 2010 |
| Manganese | Yes | Oct 1, 2010 |
| Barium | Yes | Oct 1, 2010 |
| Nitrate | Yes | Jul 1, 2010 |
| Lead (Action Level) | Yes | Jul 1, 2010 |
| Manganese | Yes | Jul 1, 2010 |
| Barium | Yes | Jul 1, 2010 |
| Manganese | Yes | Apr 1, 2010 |
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.