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WaterVerge

Water quality report · updated Jul 2026

Is Canyon City, OR Tap Water Safe to Drink?

Graded B-, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
1.9 ppb lead, 90th percentile · low
5 unresolved violations
666 people served by 1 water system

PWSID OR4100165 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 74.3 / 100

#70 of 213Oregon cities
How we grade →

01The verdict: is Canyon City water safe?

Canyon City's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 666 residents using groundwater (wells).

The concern

5 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 1.9 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

17 violations in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Canyon City's drinking water received a grade of B- (74.3 out of 100), indicating fair water quality. The city's 1 water system serves approximately 666 residents using ground water under influence.

Lead levels were measured at 1.9 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 38 violations on record, including 2 health-based violations. 5 remain unresolved.

Canyon City ranks #70 out of 213 cities in Oregon for water quality, placing it mid-range in the state. Canyon City 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, Canyon City may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities. The system has seen 17 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

How the 74.3/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
25.8 / 45D
Lead & CopperLead at 1.9 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
8 / 10B
Source RiskWater source: Ground water under influence.
3.5 / 5C

02What's in Canyon City's water

Every contaminant flagged in Canyon City, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.9 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Canyon City's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 38 violations on record, including 2 health-based violations. 5 remain unresolved.

6 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

1 health-based in 10 yrs 16 monitoring & paperwork 2 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Canyon City's water quality assessment. Grade: B- (74.3/100).
Violation3 drinking water violations recordedContaminants: Long Term 2 Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule.Resolved
Violation3 drinking water violations recordedContaminants: Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule.Resolved
Violation2 drinking water violations recordedContaminants: Long Term 2 Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule.Resolved
DisasterSEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDESFederal disaster declaration (FEMA DR-4452). Flood event — may have impacted local water infrastructure.
DisasterHURRICANE KATRINA EVACUATIONFederal disaster declaration (FEMA DR-3228). Coastal Storm event — may have impacted local water infrastructure.
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 2.2 ppb1995 — 3.1 ppb1996 — 0 ppb1997 — 0 ppb1999 — 1.4 ppb2004 — 2 ppb2007 — 2 ppb2010 — 5.8 ppb2013 — 2.2 ppb2016 — 2.9 ppb2019 — 3.2 ppb2022 — 1.8 ppb2025 — 1.9 ppb2.21.919931997200720162025

Down 0.34 ppb since 1993. Latest reading: 1.9 ppb (2025) — 12% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Canyon City's water comes from

Canyon City's drinking water is drawn from underground aquifers through wells.

Source

Ground Water Under Influence

Underground aquifers reached by wells — naturally filtered, but can carry minerals like arsenic and nitrate.

Treatment

Local treatment

Groundwater generally needs less treatment — typically disinfection and, where needed, mineral removal.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

666 people

Residents served across Canyon City's service area.

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 666 people through 1 water system.

System namePWSIDPopulationSource
CANYON CITY WATER DEPARTMENT OR4100165 666 Ground Water Under Influence

Water bodies near Canyon City

John Day River · river

These water bodies shape the regional watershed and can indirectly affect groundwater quality.

05Pressure on Canyon City's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

3 federal disaster declarations on record for Grant County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES Jul 2019 · DR-4452
HURRICANE KATRINA EVACUATION Sep 2005 · DR-3228
HEAVY RAINS & FLOODING Dec 1964 · DR-184

Drought

D3 — extreme drought

Grant County is in D3 (extreme drought) per the U.S. Drought Monitor (week of Jul 2026). Drought can raise disinfection-byproduct levels and taste/odor issues as utilities draw from lower reservoirs.

Current streak at D2+ severity16 wks
Weeks at D2+ in the last 5 years16 wks
Months in D2+ over the last 30 years27.6%

06How Canyon City compares

Scores for nearby Oregon cities on one line, with the average marked.

Canyon City (this city)
74.3 · B-
Salem
43.6 · F
Bend
41 · F
Beaverton
40.7 · F
Portland
39.4 · F
Eugene
28 · F

dashed line = Oregon average (42/100)

Canyon City scores 74.3/100above the Oregon average of 42/100. It outscores 9 of 10 nearby cities. Full Oregon rankings →

Grant water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Canyon City's water — not generic advice.

Extra protection

A basic carbon filter still helps

Canyon City's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Canyon City alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Canyon City, OR tap water safe to drink?

Canyon City's water quality earned a grade of B- (74.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #70 out of 213 cities tested in Oregon.

What contaminants are in Canyon City's water?

Lead was measured at 1.9 ppb (90th percentile). 38 violations are on record.

How is Canyon City'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 Canyon City?

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

Where does Canyon City's water come from?

Canyon City's water is sourced from Ground water under influence. The city has 1 water system serving approximately 666 residents.

What health violations has Canyon City's water system had?

Canyon City has 2 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

Is Canyon City's groundwater at risk of contamination?

Canyon City 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 38 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 Canyon City's water compare to other cities?

Canyon City ranks #70 out of 213 cities in Oregon (better than 67% of state cities) and #9768 out of 15382 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Canyon City's small water system affect quality?

Canyon City's system serves approximately 666 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 38 violations on record.

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About Canyon City, OR: Canyon City is a city in Grant County, Oregon, United States. It is the county seat of Grant County, and is about 2 miles (3 km) south of John Day on U.S. Highway 395. As of the 2010 census, the city had a total population of 703. Median household income $62,125 · median home value $164,197 · median age 43 · 77.9% homeowners · 33.1% college educated. Wikipedia → Service area: 1 ZIP code across Grant.
Show ZIP codes 97820
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.