PlainWater
Counties → Oregon

Crook County, Oregon

Water Systems
38
Population Served
16,670
Total Violations
1,924
173 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

100.0%
Systems with Violations
50.6
Avg Violations per System
9.0%
Health-Based Violations

Water Source Types

GW
38 systems (100%)

PFAS Contamination

1
Systems Tested
1
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Crook Oregon water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (38)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Prineville, City Of 11,000 234 Clean
Avion WC - Brasada Ranch 1,200 16 -
Avion WC - Red Cloud 585 14 -
Ochoco West Wtr & San Authority 400 29 -
High Desert Estates 380 28 -
Highland Subdivision WD 335 65 -
Powell Butte Christian Church 300 17 -
Powell Butte Community Charter School 200 33 -
Idleway Improvement District 183 29 -
Terrace Mobile Plaza 152 44 -
Powell Butte Country Store Inc 150 17 -
Barnes Butte HOA 148 64 -
Oprd Prineville Reservoir Park 135 12 -
Prineville Mobile Home Park 130 49 -
Lakeshore RV Park/Camp 115 61 -
Quail Valley Park Improv Dist 110 86 -
Sun Rocks RV Park 100 16 -
Oprd Jasper Point Cg 80 5 -
Westridge Subdivision 78 171 -
Ochoco Lake Co Park 75 13 -
Usfs Walton Lake Well 1 75 20 -
Kingdom Hall/Jwc 75 3 -
Ochoco Valley Home Improv Dist 60 24 -
McDougal Water System 60 88 -
Juniper Grove RV Park 60 41 -
Dry Creek Airpark 58 65 -
Shoun Crossroads 41 319 -
Sunset Hills Domestic Water Association 41 62 -
Bottero Park Improvement Dist 40 11 -
Happy Hollow Water Company 40 112 -
The Blue Duck Saloon 40 18 -
Blm Chimney Rock Rec Site (Hp) 35 13 -
Ochoco Christian Conference Center 35 53 -
Oprd Big Bend Cg 35 2 -
Paulina Elementary Co Unit 34 32 -
Crystal Corral RV Park 30 17 -
Usfs Ochoco Ranger Station 30 24 -
Jasper Knolls Water District 25 17 -

Other Counties in Oregon

Multnomah County
57 systems · 854,646 served · 4,422 violations
Washington County
96 systems · 597,244 served · 7,314 violations
Clackamas County
231 systems · 385,530 served · 18,114 violations
Marion County
196 systems · 370,079 served · 19,281 violations
Lane County
237 systems · 327,688 served · 16,216 violations
Deschutes County
138 systems · 204,759 served · 5,986 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Crook County? ▼
Crook County has 1,924 total drinking water violations across 38 water systems, of which 173 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Crook County systems? ▼
Water systems in Crook County serve approximately 16,670 people through 38 public water systems.
Has PFAS been detected in Crook County water? ▼
Of 1 water systems tested for PFAS in Crook County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Crook County? ▼
Water systems in Crook County use GW (38 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 9.0% of Crook County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.