Petrified Forest Natl Pk, AZ Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
A meaningful share of water systems in Petrified Forest Natl Pk have recorded health-based violations in recent AZ monitoring periods — placing the city in the lower tier for tap water safety.
How Petrified Forest Natl Pk Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About Petrified Forest Natl Pk Water
- Homes built before 1986: 57% — older plumbing may contain lead solder.
- Estimated remediation: $400 per household.
- CDC health risk index: 16.06 — above typical levels.
Who Supplies Your Water in Petrified Forest Natl Pk
Across most of Petrified Forest Natl Pk, AZ, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.
Overview
We track water quality and home safety data for 1 ZIP code in Petrified Forest Natl Pk, Arizona (population ~43), covering 1 community water system serving approximately 350 people region-wide.
No EPA violations recorded across any ZIP codes in Petrified Forest Natl Pk — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Petrified Forest Natl Pk: D (53/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Petrified Forest Natl Pk water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Petrified Forest Natl Pk
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 86028 | D | SANDERS SCHOOL DISTRICT | 350 |
All ZIP Codes in Petrified Forest Natl Pk
- 86028 [D]
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
Updated daily.
Health Outcomes in Petrified Forest Natl Pk
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
Housing & Infrastructure in Petrified Forest Natl Pk
With 57% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
For residents trying to assess tap water risk in Petrified Forest Natl Pk, the median build year of 1985 is the starting context. It signals that a majority of homes were constructed before 1986 — the year federal rules prohibited lead solder in new plumbing — and that a significant share likely predates 1970, when lead pipes were still a common choice for residential service connections. Neither risk tier is rare in this housing inventory.
Over half of homes in Petrified Forest Natl Pk were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Lead Exposure Risk for Children in Petrified Forest Natl Pk
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.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 57% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Petrified Forest Natl Pk.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Petrified Forest Natl Pk
- 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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 57% of homes built before 1986, lead solder is a real possibility.
- 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 Petrified Forest Natl Pk, AZ