Is Hauser, ID Tap Water Safe to Drink?
Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
91.2/100
waterverge.com Hauser, ID — Water Quality Report
Hauser's drinking water received a grade of A (91.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,350 residents using groundwater.
Lead levels were measured at 3.0 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 37 violations on record, including 12 health-based violations. 3 remain unresolved.
What to know about Hauser's water
Hauser ranks #20 out of 139 cities in Idaho for water quality, placing it above average in the state.
Hauser 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, Hauser may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hauser, ID water safe to drink?
Hauser's drinking water has significant quality concerns based on EPA testing data. With a grade of A (91.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,350 residents using groundwater (wells).
Recent water quality updates for Hauser
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hauser's water quality assessment. Grade: A (91.2/100).
Contaminants: 2,4-D, Glyphosate, Simazine.
Federal disaster declaration (FEMA DR-4313). Flood event — may have impacted local water infrastructure.
Contaminants: Public Notice.
1 health-based. Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-1781). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Hauser's water supply.
Well within EPA limits.
Violation history
Hauser's water system has 37 total violations on record, including 12 health-based violations. 3 remain unresolved.
Flood & environmental risk
Kootenai County has experienced 5 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 Spokane River Near Post Falls.
Where does Hauser's water come from?
Hauser's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,350 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Spokane River Near Post Falls (river).
What Hauser residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hauser'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.
Hauser'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 Hauser
Industrial polluters nearby
Reported releases to surface water by facilities near Hauser, ranked by pounds discharged annually.
Total reported releases to surface water: 0 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CENTRAL PRE-MIX CONCRETE PRODUCTS CO. SPOKANE, WA99216 | Lead | 0 | 9.9 mi |
REAL ALLOY RECYCLING LLC POST FALLS, ID83854 | — | — | 1.4 mi |
IDAHO ASPHALT SUPPLY INC HAUSER PLANT POST FALLS, ID83854 | — | — | 1.4 mi |
MOR MANUFACTURING LLC POST FALLS, ID83854 | — | — | 7.8 mi |
POE ASPHALT PAVING INC. POST FALLS, ID83854 | — | — | 2.3 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Hauser
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- GREENACRES LANDFILL8.5 mi
Source: EPA Superfund National Priorities List
Drought conditions
D2 — severe droughtKootenai 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
Kootenai County has experienced 5 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. | 3.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hauser compares by contaminant
Explore where Hauser ranks among all Idaho cities for specific contaminants.
Water source & infrastructure
Where Hauser's water comes from
Hauser'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 1,350 people through 1 water system.
Water bodies near Hauser
Hauser is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Hauser
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HAUSER LAKE WATER ASSN INC | ID1280084 | 1,350 | GW |
How Hauser compares
Full Idaho rankings →Hauser's score of 91.2/100 is above the average of 43/100 among major Idaho cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Idaho rankings →About Hauser, ID
Wikipedia →Hauser is a city in Kootenai County, Idaho, United States. As of the 2020 census, Hauser had a population of 761. The city is located on the southern end of Hauser Lake.
Learn more about your water
Guides and resources related to Hauser's water quality findings.
Explore water quality across Kootenai
Frequently asked questions
Is Hauser, ID tap water safe to drink?
Hauser's water quality earned a grade of A (91.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #20 out of 139 cities tested in Idaho.
What contaminants are in Hauser's water?
Lead was measured at 3.0 ppb (90th percentile). 37 violations are on record.
How is Hauser'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 Hauser?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hauser's water come from?
Hauser's water is sourced from Groundwater. The city has 1 water system serving approximately 1,350 residents.
What health violations has Hauser's water system had?
Hauser has 12 health-based violations on record. The most recent violation was recorded in January 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Hauser's groundwater at risk of contamination?
Hauser 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 37 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 Hauser's water compare to other cities?
Hauser ranks #20 out of 139 cities in Idaho (better than 86% of state cities) and #1828 out of 15744 cities nationally (88th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Hauser's small water system affect quality?
Hauser's system serves approximately 1,350 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 37 violations on record.