WaterVerge

Is Blanchard, ID Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 2 water systems PWSID: ID1090009
Overall Score
87.1 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#41 of 139 in Idaho Top 27% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.1/100
waterverge.com
A- 87.1/100

Blanchard, ID — Water Quality Report

Blanchard's drinking water received a grade of A- (87.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,120 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 65 violations on record, including 3 health-based violations. 4 remain unresolved.

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

What to know about Blanchard's water

Blanchard ranks #41 out of 139 cities in Idaho for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
87.1 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
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 Blanchard, ID water safe to drink?

Concerns Identified

Blanchard's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,120 residents using groundwater (wells).

4
Active Violations
2.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Blanchard

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Blanchard's water quality assessment. Grade: A- (87.1/100).

Violation
2 drinking water violations recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Disaster
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4313). Flood event — may have impacted local water infrastructure.

Disaster
FLOODING, LANDSLIDES, AND MUDSLIDES

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 Blanchard's water supply.

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Blanchard's water system has 65 total violations on record, including 3 health-based violations. 4 remain unresolved. 2 violations were issued in the last 5 years.

RPTMONMRMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Nov 2018 Revised Total Coliform Rule Resolved
Oct 2018 Chlorine Resolved
Aug 2014 Coliform (TCR) Resolved

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.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4313
FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-1987
HURRICANE KATRINA
Hurricane FEMA DR-3244

Where does Blanchard's water come from?

Blanchard's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,120 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Blanchard residents can do

Install a water filter

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

Blanchard'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

65
Total violations
3
Health-based
4
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

65 Total
4 Active
3 Health-based
61 Resolved
Violations by category
Volatile Organic Chemicals
17
Synthetic Organic Chemicals
15
Inorganic Chemicals
12
Total Coliform Rule
10
Nitrate Rule
5
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Nov 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2018
Oct 2018 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Aug 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2014
May 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1999
Jun 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1998
May 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1998
Jan 1998 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1998
Jul 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1997
May 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1996
Jan 1996 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1996
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1995 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1993 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1993 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1993 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Jan 1993 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1995
Showing 20 of 65 violations
Environmental Risk

Drought conditions

D2 — severe drought

Bonner 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.

10
Weeks at D2+ (current streak)
19.6%
Months in D2+ (last 30y)
10
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

4
Declared disasters
May 2017
Most recent
Flood
Most common type

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.

May 2017
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4313
May 2011
FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #1987
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3244
Jan 1974
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #415

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 0.0 ppb from 1996 (2.0 ppb) to 2024 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,120
Water Systems
2
Water Source

Where Blanchard's water comes from

Groundwater

Blanchard'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 1,120 people through 2 water systems.

Infrastructure

Water systems serving Blanchard

System Name PWSID Population Source
STONERIDGE UTILITIES ID1090009 940 GW
BLANCHARD COOP WATER ASSN ID1090008 180 GW
Regional Comparison

How Blanchard compares

Full Idaho rankings →

Blanchard's score of 87.1/100 is above the average of 43/100 among major Idaho cities. It outscores 10 of 10 nearby cities.

Blanchard (this city)
87.1
Boise
33.6
Meridian
42.9
Nampa
41.8
Caldwell
38.5
Idaho avg
43
City Profile

About Blanchard, ID

Wikipedia →

Blanchard is a census-designated place in Bonner County, Idaho, United States. Blanchard is located on Idaho State Highway 41 6.5 miles (10.5 km) northwest of Spirit Lake. Blanchard has a post office with ZIP code 83804. As of the 2020 census, Blanchard had a population of 379.

Economic Profile
$52,555
Median Income
0%
Unemployment
Community
68.3
Median Age
114
People / sq mi
71.8%
College Educated
93.6%
Homeownership
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Frequently asked questions

Is Blanchard, ID tap water safe to drink?

Blanchard's water quality earned a grade of A- (87.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #41 out of 139 cities tested in Idaho.

What contaminants are in Blanchard's water?

Lead was measured at 2.0 ppb (90th percentile). 65 violations are on record.

How is Blanchard'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 Blanchard?

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

Where does Blanchard's water come from?

Blanchard's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,120 residents.

What health violations has Blanchard's water system had?

Blanchard has 3 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Blanchard's groundwater at risk of contamination?

Blanchard 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 65 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 Blanchard's water compare to other cities?

Blanchard ranks #41 out of 139 cities in Idaho (better than 71% of state cities) and #4267 out of 15744 cities nationally (73th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.