Is Hagerman, ID Tap Water Safe to Drink?
Graded A, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
90.1/100
Hagerman, ID — Water Quality Report
Hagerman's drinking water received a grade of A (90.1 out of 100), indicating excellent water quality. The city's 3 water systems serve approximately 1,085 residents using groundwater.
Lead levels were measured at 2.0 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 47 violations on record, including 3 health-based violations. 5 remain unresolved.
What to know about Hagerman's water
Hagerman ranks #24 out of 139 cities in Idaho for water quality, placing it above average in the state.
Hagerman 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, Hagerman may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hagerman, ID water safe to drink?
Hagerman's drinking water has significant quality concerns based on EPA testing data. With a grade of A (90.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 1,085 residents using groundwater (wells).
Recent water quality updates for Hagerman
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hagerman's water quality assessment. Grade: A (90.1/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Chlorine.
Federal disaster declaration (FEMA DR-4333). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4310). Flood event — may have impacted local water infrastructure.
Contaminants: E. COLI.
Key contaminant findings
Based on the most recent EPA sampling data for Hagerman's water supply.
Well within EPA limits.
Violation history
Hagerman's water system has 47 total violations on record, including 3 health-based violations. 5 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Gooding County has experienced 4 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 Briggs Spring, Box Canyon Springs Nr Wendell, Salmon Falls Creek Nr Hagerman, N Channel Snake R Upper Salmon Falls Nr Hagerman, Snake River Bl Lower Salmon Falls Nr Hagerman.
Where does Hagerman's water come from?
Hagerman's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 1,085 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Briggs Spring (spring), Box Canyon Springs Nr Wendell (spring), Salmon Falls Creek Nr Hagerman (river), N Channel Snake R Upper Salmon Falls Nr Hagerman (river), Snake River Bl Lower Salmon Falls Nr Hagerman (river).
What Hagerman residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hagerman'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.
Hagerman'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 Hagerman
Industrial polluters nearby
Reported releases to surface water by facilities near Hagerman, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
J D HEISKELL & CO WENDELL, ID83355 | — | — | 9.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtGooding 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
Gooding County has experienced 4 federally declared disasters since 1964. 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. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hagerman compares by contaminant
Explore where Hagerman ranks among all Idaho cities for specific contaminants.
Water source & infrastructure
Where Hagerman's water comes from
Hagerman'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 1,085 people through 3 water systems.
Water bodies near Hagerman
Hagerman is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Hagerman
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HAGERMAN CITY OF | ID5240012 | 988 | GW |
| SPORTSMANS RIVER RESORT | ID5420054 | 50 | GW |
| NORTHVIEW SUBDIVISION | ID5240040 | 47 | GW |
How Hagerman compares
Full Idaho rankings →Hagerman's score of 90.1/100 is above the average of 43/100 among major Idaho cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Idaho rankings →About Hagerman, ID
Wikipedia →Hagerman is a city in Gooding County, Idaho, United States. The population was 968 at the 2020 census, up from 872 in 2010. The area is noted for its fossil beds and the Thousand Springs of the Eastern Snake Plain Aquifer. Hagerman is home to a national fish hatchery, a university research station, and extensive aquaculture, assisted by an abundance of geothermal water for temperature regulation.
Learn more about your water
Guides and resources related to Hagerman's water quality findings.
Explore water quality across Gooding
Frequently asked questions
Is Hagerman, ID tap water safe to drink?
Hagerman's water quality earned a grade of A (90.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #24 out of 139 cities tested in Idaho.
What contaminants are in Hagerman's water?
Lead was measured at 2.0 ppb (90th percentile). 47 violations are on record.
How is Hagerman'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 Hagerman?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hagerman's water come from?
Hagerman's water is sourced from Groundwater. The city has 3 water systems serving approximately 1,085 residents.
What health violations has Hagerman's water system had?
Hagerman has 3 health-based violations on record. The most recent violation was recorded in August 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.
Is Hagerman's groundwater at risk of contamination?
Hagerman 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 47 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 Hagerman's water compare to other cities?
Hagerman ranks #24 out of 139 cities in Idaho (better than 83% of state cities) and #2417 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.