WaterVerge

Is Alpine, AZ Tap Water Safe to Drink?

Graded B+, with 23 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: AZ0401001
Overall Score
82.7 / 100
Violations
23 active
Last Updated
May 2026
Source
Groundwater
#103 of 292 in Arizona Top 44% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.7/100
waterverge.com
B+ 82.7/100

Alpine, AZ — Water Quality Report

Alpine's drinking water received a grade of B+ (82.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,030 residents using groundwater.

Lead levels were measured at 0.0 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 49 violations on record, including 5 health-based violations. 23 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Alpine's water

Alpine ranks #103 out of 292 cities in Arizona for water quality, placing it mid-range in the state.

Alpine relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Alpine may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
82.7 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Alpine, AZ water safe to drink?

Concerns Identified

Alpine's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,030 residents using groundwater (wells).

23
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Alpine

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Alpine's water quality assessment. Grade: B+ (82.7/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4620). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE KATRINA EVACUATION

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 Alpine's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Alpine's water system has 49 total violations on record, including 5 health-based violations. 23 remain unresolved. 1 violation was issued in the last 5 years.

TTRPTMROtherMCL
Most recent violations:
May 2021 Groundwater Rule Open
Aug 2018 Revised Total Coliform Rule Open
Jul 2018 Lead and Copper Rule Open
Nov 2017 Lead and Copper Rule Open
Oct 2017 Lead and Copper Rule Open

Flood & environmental risk

Apache County has experienced 6 federally declared disasters since 1970. 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 San Francisco River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4620
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3241
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA DR-977

Where does Alpine's water come from?

Alpine's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,030 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include San Francisco River (river).

What Alpine residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Alpine's water.

Request your utility's CCR

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.

Monitor alerts during storms

Alpine'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

49
Total violations
5
Health-based
23
Active / unresolved
May 2021
Most recent violation
Compliance Record

Violations & advisories

49 Total
23 Active
5 Health-based
26 Resolved
Violations by category
Total Coliform Rule
15
Consumer Confidence Rule
12
Lead and Copper Rule
7
Inorganic Chemicals
6
Nitrate Rule
3
May 2021 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Aug 2018 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Nov 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jan 2013 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Oct 2006 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2005 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Oct 2004 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 49 violations
Environmental Risk

Drought conditions

D2 — severe drought

Apache 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.

14
Weeks at D2+ (current streak)
55.2%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

6
Declared disasters
Sep 2021
Most recent
Flood
Most common type

Apache County has experienced 6 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2021
SEVERE STORMS AND FLOODING
Flood FEMA #4620
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3241
Jan 1993
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA #977
Oct 1983
SEVERE STORMS & FLOODING
Flood FEMA #691
Mar 1978
SEVERE STORMS & FLOODING
Flood FEMA #551
Sep 1970
HEAVY RAINS & FLASH
Flood FEMA #294

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.3 ppb from 2002 (6.3 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,030
Water Systems
1
Water Source

Where Alpine's water comes from

Groundwater

Alpine's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 1,030 people through 1 water system.

Local Hydrology

Water bodies near Alpine

Alpine is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

San Francisco River
river
Infrastructure

Water systems serving Alpine

System Name PWSID Population Source
ALPINE DWID AZ0401001 1,030 GW
Regional Comparison

How Alpine compares

Full Arizona rankings →

Alpine's score of 82.7/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.

Alpine (this city)
82.7
Phoenix
37.5
Tucson
38.1
Mesa
40.6
Chandler
40.5
Gilbert
34.8
Arizona avg
42
City Profile

About Alpine, AZ

Economic Profile
$40,000
Median Income
$1,014/mo
Median Rent
0%
Unemployment
Community
66.6
Median Age
96
People / sq mi
23.8%
College Educated
77%
Homeownership
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Frequently asked questions

Is Alpine, AZ tap water safe to drink?

Alpine's water quality earned a grade of B+ (82.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #103 out of 292 cities tested in Arizona.

What contaminants are in Alpine's water?

Lead was measured at 0.0 ppb (90th percentile). 49 violations are on record.

How is Alpine'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 Alpine?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Alpine's water come from?

Alpine's water is sourced from Groundwater. The city has 1 water system serving approximately 1,030 residents.

What health violations has Alpine's water system had?

Alpine has 5 health-based violations on record. The most recent violation was recorded in May 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 23 violations remain unresolved.

Is Alpine's groundwater at risk of contamination?

Alpine uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 49 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Alpine's water compare to other cities?

Alpine ranks #103 out of 292 cities in Arizona (better than 65% of state cities) and #6836 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Alpine's small water system affect quality?

Alpine's system serves approximately 1,030 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 49 violations on record.