PlainWater
Counties → Oregon

Coos County, Oregon

Water Systems
47
Population Served
51,546
Total Violations
6,822
856 health-based
PFAS Detected
0
of 3 tested

Violation Analysis

100.0%
Systems with Violations
145.1
Avg Violations per System
12.5%
Health-Based Violations

Water Source Types

GW
27 systems (57%)
SW
20 systems (43%)

PFAS Contamination

3
Systems Tested
0
PFAS Detected
0.0%
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

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

No violations on record (0) One or more violations (47)

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
Coos Bay North Bend Wtr Brd 34,500 20 Clean
Coquille, City Of 3,953 265 Clean
Bandon, City Of 3,000 95 Clean
Myrtle Point, City Of 2,656 104 -
Lakeside Water District 1,800 58 -
Oprd Bullards Beach State Pk 1,400 26 -
Powers, City Of 712 438 -
Shelley Road-Crest Acres WD 430 60 -
Rink Creek Water District 285 99 -
Sheep Ranch Golf 235 3 -
Bandon Coastal Dunes 225 121 -
Bandon Christian Fellowship 200 47 -
Riverview Christian Fellowship 164 8 -
Bridge Water District 150 277 -
Coos Bay Speedway 150 38 -
Bandon by the Sea RV West 100 9 -
Arago Community Church 90 78 -
Garden Valley Water Association 84 222 -
Myrtle Point Kingdom Hall 80 236 -
Dean Minard Water District 75 56 -
Camp Myrtlewood 75 215 -
Bandon Crossings Gc - Snack Shack 75 15 -
Camp Bradley 70 41 -
North Bayside Estates-North 65 137 -
Sand-N-Wood Mobile Villa 60 61 -
Mt Terrace MHP 60 711 -
Bandon by the Sea RV 60 88 -
Bandon Crossings Gc Cypress 60 1 -
Coquille River RV Park 55 93 -
South Slough Reserve 55 10 -
Sumner Water Corporation 50 650 -
Ocean Pines Park 50 383 -
Country Club Estates WD 45 92 -
North Bayside Estates-South 40 118 -
Remote Outpost 40 45 -
Coos Co Pks - Laverne 40 210 -
Coos Co Pks - West Laverne 40 100 -
Pacific Community Church 40 108 -
Camp Remote 40 64 -
Weiss Estates Water System 36 888 -
Heritage Hills Homeowners Assn 34 4 -
Coquille Valley Elks-Bpoe 1935 33 44 -
Coos Golf Club 30 197 -
Watsonville Water System 27 167 -
Robbins Nest Residential Park 27 41 -
Beach Loop RV Park 25 39 -
2 Mile Bistro 25 40 -

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 Coos County? ▼
Coos County has 6,822 total drinking water violations across 47 water systems, of which 856 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Coos County systems? ▼
Water systems in Coos County serve approximately 51,546 people through 47 public water systems.
Has PFAS been detected in Coos County water? ▼
Of 3 water systems tested for PFAS in Coos County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Coos County? ▼
Water systems in Coos County use GW (27 systems), SW (20 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. 12.5% of Coos 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.