Water Quality in 85327 — Cave Creek, AZ
EPA data for CAVE CREEK WATER
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 85327 in Cave Creek, Arizona is served by CAVE CREEK WATER (EPA ID: AZ0407016). This system provides water to approximately 5,895 people from surface water sources.
There are 3 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 14, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| June 1, 2025 | Revised Total Coliform Rule | Monitoring | Unresolved |
| June 1, 2025 | Revised Total Coliform Rule | Monitoring | Unresolved |
| June 1, 2025 | E. coli | Monitoring | Unresolved |
| June 1, 2025 | E. coli | Monitoring | Unresolved |
| October 1, 2024 | E. coli | Monitoring | Resolved |
| September 1, 2024 | E. coli | Monitoring | Resolved |
| September 1, 2024 | E. coli | Monitoring | Unresolved |
| September 1, 2024 | E. coli | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2024 | E. coli | Monitoring | Resolved |
| July 1, 2024 | E. coli | Monitoring | Unresolved |
| July 1, 2024 | E. coli | Monitoring | Unresolved |
| March 1, 2024 | Chlorite | Monitoring | Unresolved |
| March 1, 2024 | Chlorite | Monitoring | Resolved |
| October 1, 2023 | E. coli | Monitoring | Unresolved |
| October 1, 2023 | E. coli | Monitoring | Resolved |
| October 1, 2023 | E. coli | Monitoring | Unresolved |
| September 1, 2023 | E. coli | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 29 | No |
| Revised Total Coliform Rule | Microbiological | 13 | No |
| Contaminant 1925 | Other | 10 | No |
| Contaminant 1996 | Other | 10 | No |
| Contaminant 1919 | Other | 10 | No |
| Stage 1 DBP Rule | Treatment Technique | 6 | No |
| Contaminant 1064 | Other | 4 | No |
| Contaminant 1927 | Other | 4 | No |
| Chlorite | Disinfection Byproducts | 2 | No |
| Consumer Confidence Report Rule | Reporting | 1 | No |
| Lead and Copper Rule | Treatment Technique | 1 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| CAVE CREEK WATER | AZ0407016 | 5,895 | Surface water |
| DESERT HILLS WATER | AZ0407026 | 4,220 | Surface water |
| TONTO HILLS DWID | AZ0407076 | 350 | Surface water |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Arizona
- 85001 (Phoenix) — 248 violations
- 85117 (Apache Junction) — 263 violations
- 85122 (Casa Grande) — 52 violations
- 85123 (Arizona City) — 94 violations
- 85127 (Chandler Heights) — 6 violations
- 85128 (Coolidge) — 101 violations
- 85131 (Eloy) — 139 violations
- 85132 (Florence) — 109 violations
- 85135 (Hayden) — 91 violations
- 85137 (Kearny) — 82 violations
- 85138 (Maricopa) — 428 violations
- 85140 (San Tan Valley) — 90 violations
- 85141 (Picacho) — 88 violations
- 85142 (Queen Creek) — 70 violations
- 85145 (Red Rock) — 43 violations
- 85172 (Stanfield) — 92 violations
- 85173 (Superior) — 11 violations
- 85201 (Mesa) — 38 violations
- 85224 (Chandler) — 259 violations
- 85233 (Gilbert) — 364 violations
Nearby Water Quality Reports
- 85268 (Fountain Hills) — 20 mi — 18 violations
- 85250 (Scottsdale) — 22 mi — 34 violations
- 85345 (Peoria) — 24 mi — 42 violations
- 85351 (Sun City) — 25 mi — 22 violations
- 85301 (Glendale) — 25 mi — 51 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for CAVE CREEK WATER (AZ0407016) on EPA.gov.
Frequently Asked Questions
Is the tap water in 85327 safe to drink?
Based on EPA records, the water system serving ZIP code 85327 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 85327’s water come from?
The primary water source for this area is surface water. CAVE CREEK WATER serves approximately 5,895 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 85327 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 85327. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 85327?
Radon zone data is not available for ZIP code 85327. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.