Gilbert, AZ: PFAS Found in Water - Home Safety 42/100
7 ZIP codes · 7 water systems · Updated
ZipCheckup grade for Gilbert: D.
Several federal signals point to home-safety risks in this ZIP.
Your top priority: consider a certified water filter (5 health violations on record). NSF certified filters →
Although conditions vary by service area, Gilbert's water systems collectively show below-average compliance within AZ - health-based violations are documented throughout the city, and the overall grade reflects a pattern rather than isolated incidents.
How Gilbert Compares
Data: EPA SDWIS
Water Quality Map: Gilbert, AZ
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Gilbert's 6 ZIP codes.
Key Facts for Gilbert Residents
- Your city's water systems recorded 312 violations in the past 5 years.
- Average lead level: 0.0017 mg/L.
- Homes built before 1986: 10% - older plumbing may contain lead solder.
- Estimated remediation: $2,629 per household.
- CDC health risk index: 11.3.
Gilbert's Water Providers
Residential addresses in Gilbert, AZ are served by 3 primary water providers out of 7 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
- D
- D
- D
Overview
We track home safety data for 7 ZIP codes in Gilbert, Arizona (population ~272,707), covering 7 community water systems serving approximately 1,059,230 people region-wide. The EPA snapshots used for this build directly map water systems to 6 of 7 ZIP codes.
6 of 6 ZIP codes with a reported violation count in the available EPA record (100%) have recorded EPA violations. 5 health-based violations appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Gilbert: D (42/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Gilbert water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0017 mg/L (EPA action level: 0.015 mg/L)
- 0 of 6 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 7 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Barium | Inorganic | 78 | 6 |
| Lead | Inorganic | 75 | 6 |
| Consumer Confidence Report Rule | Reporting | 35 | 6 |
| E. coli | Microbiological | 35 | 6 |
| Fecal Coliform | Microbiological | 35 | 6 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 85298 | D | 278 | 4 | Gilbert, Town of |
| 85234 | D | 200 | 0 | Gilbert, Town of |
| 85296 | D | 182 | 1 | Gilbert, Town of |
| 85233 | D | 174 | 0 | Gilbert, Town of |
| 85295 | D | 174 | 0 | Gilbert, Town of |
| 85297 | D | 174 | 0 | Gilbert, Town of |
All ZIP Codes in Gilbert
- 85233 [D] - 174 violations
- 85234 [D] - 200 violations
- 85295 [D] - 174 violations
- 85296 [D] - 182 violations ⚠
- 85297 [D] - 174 violations
- 85298 [D] - 278 violations ⚠
- 85299
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Gilbert Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Gilbert's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Gilbert Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Why does housing age matter for water safety? Homes built before 1986 may have lead-soldered copper plumbing joints - a practice banned that year. Gilbert's median build year of 2002 places much of the city's housing in the post-ban era, reducing that specific risk pathway for most residents.
Most homes in Gilbert were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Gilbert
Within the Gilbert market, estimated remediation claims a small portion of typical property equity - the financial burden is proportionally low.
Remediation costs in Gilbert are relatively low compared to home values. The $1,386–$4,643 estimated range is a small fraction of median property value. Home values are 73% above the Arizona average.
Gilbert: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Where pre-rule stock represents a smaller fraction of the inventory - 10% across Gilbert - the structural drivers of household exposure run thinner. Aggregate readings under the federal benchmark reinforce that picture, with one-home draws remaining the only direct measurement for a specific address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Gilbert: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Gilbert contains 21 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $10,116. Among ZIP codes with claim records, 17% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,629</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Gilbert
- Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Barium can reduce the most common contaminant found in Gilbert's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Gilbert, AZ