WaterVerge

Is Homedale, ID Tap Water Safe to Drink?

Graded B+ — but Manganese was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 2 water systems PWSID: ID3370012
Overall Score
81.2 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#54 of 139 in Idaho Top 48% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81.2/100
waterverge.com
B+ 81.2/100

Homedale, ID — Water Quality Report

Homedale's drinking water received a grade of B+ (81.2 out of 100), indicating good water quality. The city's 2 water systems serve approximately 3,052 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 76 violations on record, including 21 health-based violations. 10 remain unresolved.

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

What to know about Homedale's water

Homedale ranks #54 out of 139 cities in Idaho for water quality, placing it mid-range in the state.

Homedale 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, Homedale may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
81.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.5/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
15.7/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Homedale, ID water safe to drink?

Concerns Identified

Homedale's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,052 residents using groundwater (wells).

10
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Homedale

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Homedale's water quality assessment. Grade: B+ (81.2/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
2 drinking water violations recorded

Contaminants: E. COLI, Chlorine.

Disaster
HURRICANE KATRINA

Federal disaster declaration (FEMA DR-3244). Hurricane event — may have impacted local water infrastructure.

Disaster
HEAVY RAINS & FLOODING

Federal disaster declaration (FEMA DR-186). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Homedale's water supply.

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

Well within EPA limits.

Violation history

Homedale's water system has 76 total violations on record, including 21 health-based violations. 10 remain unresolved. 7 violations were issued in the last 5 years.

MONMROtherTTMCL
Most recent violations:
Sep 2025 Revised Total Coliform Rule Resolved
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jul 2023 E. COLI Open
Jul 2023 Chlorine Resolved

Flood & environmental risk

Owyhee County has experienced 2 federally declared disasters since 1964. 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 Conway Gulch Below 1St, Dixie Drain Nr Wilder.

HURRICANE KATRINA
Hurricane FEMA DR-3244
HEAVY RAINS & FLOODING
Flood FEMA DR-186

Where does Homedale's water come from?

Homedale's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,052 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Conway Gulch Below 1St (river), Dixie Drain Nr Wilder (river).

What Homedale residents can do

Install a water filter

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

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
Manganese
Inorganic
Over SMCL
77.7 µg/L
EPA Secondary MCL: 50 µg/L · +20% over limit
Over SMCLUCMR 4 Data
Compliance Record

Violation summary

76
Total violations
21
Health-based
10
Active / unresolved
Sep 2025
Most recent violation
Compliance Record

Violations & advisories

76 Total
10 Active
21 Health-based
66 Resolved
Violations by category
Total Coliform Rule
21
Volatile Organic Chemicals
20
Inorganic Chemicals
10
Ground Water Rule
9
Nitrate Rule
5
Jul 2023 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2017 Active
Groundwater Rule
Other Violation 0
Nov 2014 Active
Groundwater Rule
Other Violation 0
Dec 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Dec 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Dec 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Dec 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Dec 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Dec 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2025
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jul 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Jan 2022 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Apr 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2014
Jan 2014 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
Jan 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
May 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2012
Showing 20 of 76 violations
Industrial pollution

Top industrial polluters within 10 miles of Homedale

Industrial polluters nearby

Reported releases to surface water by facilities near Homedale, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
FORTERRA STRUCTURAL SPECIALTY PRODUCTS - CALDWELL
Nonmetallic Mineral Product · QUIKRETE HOLDINGS
CALDWELL, ID83607
8.3 mi
SUNROC CORP - NOTUS HOT MIX ASPHALT PLANT
Petroleum · CLYDE COS INC
CALDWELL, ID83607
9.0 mi
HOMEDALE BEAM & DECK PLANT
Wood Products · BOISE CASCADE CO
HOMEDALE, ID83628
1.3 mi
AMVAC CHEMICAL
Chemicals · AMERICAN VANGUARD CORP
MARSING, ID83639
8.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Owyhee County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 44.6% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
36.5%
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

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Owyhee County has experienced 2 federally declared disasters since 1964. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3244
Dec 1964
HEAVY RAINS & FLOODING
Flood FEMA #186

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 5.0 ppb from 1997 (5.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,052
Water Systems
2
Water Source

Where Homedale's water comes from

Groundwater

Homedale'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 local government ownership and serves approximately 3,052 people through 2 water systems.

Local Hydrology

Water bodies near Homedale

Homedale is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Conway Gulch Below 1St
river
Dixie Drain Nr Wilder
river
Infrastructure

Water systems serving Homedale

System Name PWSID Population Source
HOMEDALE CITY OF ID3370012 2,999 GW
PIONEER MOBILE HOME PARK LLC ID3370035 53 GW
Regional Comparison

How Homedale compares

Full Idaho rankings →

Homedale's score of 81.2/100 is above the average of 43/100 among major Idaho cities. It outscores 10 of 10 nearby cities.

Homedale (this city)
81.2
Boise
33.6
Meridian
42.9
Nampa
41.8
Caldwell
38.5
Idaho avg
43
City Profile

About Homedale, ID

Wikipedia →

Homedale is a city in Owyhee County Idaho. As of the 2020 census, Homedale had a population of 2,881. The town name was chosen by drawing names from a hat during a community picnic. Homedale is part of the Boise metropolitan area. It was, at one time, the terminus of a branch of the Oregon Short Line Railroad.

Economic Profile
$50,125
Median Income
$175,698
Median Home Value
$885/mo
Median Rent
4%
Unemployment
Community
29
Median Age
800
People / sq mi
9.3%
College Educated
61.6%
Homeownership
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Frequently asked questions

Is Homedale, ID tap water safe to drink?

Homedale's water quality earned a grade of B+ (81.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #54 out of 139 cities tested in Idaho.

What contaminants are in Homedale's water?

Lead was measured at 0.0 ppb (90th percentile). 76 violations are on record.

How is Homedale'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 Homedale?

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

Where does Homedale's water come from?

Homedale's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,052 residents.

What health violations has Homedale's water system had?

Homedale has 21 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

Is Homedale's groundwater at risk of contamination?

Homedale 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 76 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 Homedale's water compare to other cities?

Homedale ranks #54 out of 139 cities in Idaho (better than 61% of state cities) and #7558 out of 15744 cities nationally (52th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.