Is Hope, ID Tap Water Safe to Drink?
Graded A-, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.3/100
waterverge.com Hope, ID — Water Quality Report
Hope's drinking water received a grade of A- (88.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 537 residents using surface water.
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 50 violations on record, including 1 health-based violation. 2 remain unresolved.
What to know about Hope's water
Hope ranks #35 out of 139 cities in Idaho for water quality, placing it above average 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, Hope may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hope, ID water safe to drink?
Hope's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (88.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 537 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Hope
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hope's water quality assessment. Grade: A- (88.3/100).
Contaminants: Surface Water Treatment Rule, Revised Total Coliform Rule.
Contaminants: Chlorine.
Contaminants: Nitrate.
Federal disaster declaration (FEMA DR-4313). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-1987). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Hope's water supply.
Well within EPA limits.
Violation history
Hope's water system has 50 total violations on record, including 1 health-based violation. 2 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Bonner County has experienced 4 federally declared disasters since 1974. 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 Lightning Creek, Lake Pend Oreille Nr Hope.
Where does Hope's water come from?
Hope's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 537 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Lightning Creek (river), Lake Pend Oreille Nr Hope (lake).
What Hope residents can do
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.
Hope'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
Drought conditions
D2 — severe droughtBonner 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
Bonner County has experienced 4 federally declared disasters since 1974. 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 Hope compares by contaminant
Explore where Hope ranks among all Idaho cities for specific contaminants.
Water source & infrastructure
Where Hope's water comes from
Hope'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 local government ownership and serves approximately 537 people through 2 water systems.
Water bodies near Hope
Hope is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Hope
| System Name | PWSID | Population | Source |
|---|---|---|---|
| EAST HOPE WATER DEPT | ID1090038 | 445 | SW |
| KULLYSPELL ESTATES | ID1090053 | 92 | SW |
How Hope compares
Full Idaho rankings →Hope's score of 88.3/100 is above the average of 43/100 among major Idaho cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Idaho rankings →About Hope, ID
Wikipedia →Hope is a city in Bonner County, Idaho, United States. The population was 98 at the 2020 census.
Learn more about your water
Guides and resources related to Hope's water quality findings.
Explore water quality across Bonner
Frequently asked questions
Is Hope, ID tap water safe to drink?
Hope's water quality earned a grade of A- (88.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #35 out of 139 cities tested in Idaho.
What contaminants are in Hope's water?
Lead was measured at 2.0 ppb (90th percentile). 50 violations are on record.
How is Hope'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 Hope?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hope's water come from?
Hope's water is sourced from Surface water. The city has 2 water systems serving approximately 537 residents.
What health violations has Hope's water system had?
Hope has 1 health-based violation on record. The most recent violation was recorded in November 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
How does Hope's water compare to other cities?
Hope ranks #35 out of 139 cities in Idaho (better than 75% of state cities) and #3558 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.