Is Ehrenberg, AZ Tap Water Safe to Drink?
Graded B, with 16 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
77.1/100
waterverge.com Ehrenberg, AZ — Water Quality Report
Ehrenberg's drinking water received a grade of B (77.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 989 residents using surface water.
Lead levels were measured at 1.5 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 196 violations on record, including 5 health-based violations. 16 remain unresolved.
What to know about Ehrenberg's water
Ehrenberg ranks #132 out of 292 cities in Arizona for water quality, placing it mid-range in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Ehrenberg may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Ehrenberg, AZ water safe to drink?
Ehrenberg's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 989 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Ehrenberg
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Ehrenberg's water quality assessment. Grade: B (77.1/100).
Contaminants: Chlorine.
Contaminants: TTHM, Chlorine, Total Haloacetic Acids (HAA5).
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-4203). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Ehrenberg's water supply.
Well within EPA limits.
Violation history
Ehrenberg's water system has 196 total violations on record, including 5 health-based violations. 16 remain unresolved. 8 violations were issued in the last 5 years.
Flood & environmental risk
La Paz County has experienced 3 federally declared disasters since 1983. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Palo Verde Canal, Palo Verde Drain, Crir Lwr Main Drain, Colorado River Below Palo Verde Dam, Az-Ca, Pvid F-Canal Spill.
Where does Ehrenberg's water come from?
Ehrenberg's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 989 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Palo Verde Canal (stream), Palo Verde Drain (river), Crir Lwr Main Drain (river), Colorado River Below Palo Verde Dam, Az-Ca (river), Pvid F-Canal Spill (stream).
What Ehrenberg residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Ehrenberg's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Ehrenberg's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Ehrenberg
Industrial polluters nearby
Reported releases to surface water by facilities near Ehrenberg, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
MORGAN TRUCK BODY LLC MAZ EHRENBERG EHRENBERG, AZ85334 | — | — | 2.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtLa Paz County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
La Paz County has experienced 3 federally declared disasters since 1983. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.5 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Ehrenberg compares by contaminant
Explore where Ehrenberg ranks among all Arizona cities for specific contaminants.
Water source & infrastructure
Where Ehrenberg's water comes from
Ehrenberg's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by private ownership and serves approximately 989 people through 1 water system.
Water bodies near Ehrenberg
Ehrenberg is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Ehrenberg
| System Name | PWSID | Population | Source |
|---|---|---|---|
| EHRENBERG IMPROVEMENT DISTRICT | AZ0415497 | 989 | SW |
How Ehrenberg compares
Full Arizona rankings →Ehrenberg's score of 77.1/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Arizona rankings →About Ehrenberg, AZ
Wikipedia →Ehrenberg, also historically spelled "Ehrenburg", is an unincorporated community and census-designated place (CDP) in La Paz County, Arizona, United States. The population was 1,470 at the 2010 census. Ehrenberg is named for its founder, Herman Ehrenberg.
Learn more about your water
Guides and resources related to Ehrenberg's water quality findings.
Explore water quality across La Paz
Frequently asked questions
Is Ehrenberg, AZ tap water safe to drink?
Ehrenberg's water quality earned a grade of B (77.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #132 out of 292 cities tested in Arizona.
What contaminants are in Ehrenberg's water?
Lead was measured at 1.5 ppb (90th percentile). 196 violations are on record.
How is Ehrenberg's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Ehrenberg?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Ehrenberg's water come from?
Ehrenberg's water is sourced from Surface water. The city has 1 water system serving approximately 989 residents.
What health violations has Ehrenberg's water system had?
Ehrenberg has 5 health-based violations on record. The most recent violation was recorded in August 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.
How does Ehrenberg's water compare to other cities?
Ehrenberg ranks #132 out of 292 cities in Arizona (better than 55% of state cities) and #9109 out of 15744 cities nationally (42th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Ehrenberg's small water system affect quality?
Ehrenberg's system serves approximately 989 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 196 violations on record.