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States10

BLYN - 7 CEDARS CONSOLIDATED

PWS ID: 105300083 · SEQUIM, 10 98382

BLYN - 7 CEDARS CONSOLIDATED serves 2,630 people in SEQUIM, 10 using Groundwater water sources. It has 198 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BLYN - 7 CEDARS CONSOLIDATED

BLYN - 7 CEDARS CONSOLIDATED is a native american-owned non-transient non-community water system that delivers drinking water to 2,630 residents in SEQUIM, 10 through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 198 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 195 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is 1,2-DIBROMO-3-CHLOROPROPANE, recorded in 7 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across 10, EPA tracks 158 public water systems serving 142,574 people, with 31,953 cumulative violations and 1,055 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 202.2 violations. BLYN - 7 CEDARS CONSOLIDATED's 198 violations sit below the 10 average. Statewide, 2 of 10 UCMR5-tested systems have reported PFAS detections (20%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
2,630
Total Violations
198
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
19
School/Daycare
No
MCL Violations
0
Monitoring Violations
195
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2-DIBROMO-3-CHLOROPROPANE MR 7 2022
Coliform (TCR) MR 7 2005
Diquat MR 6 2022
Endothall MR 6 2022
Glyphosate MR 5 2022
Total Polychlorinated Biphenyls (PCB) MR 5 2022
Di(2-ethylhexyl) phthalate MR 5 2023
2,3,7,8-TCDD MR 5 2022
ETHYLENE DIBROMIDE MR 5 2022
Lead and Copper Rule MR 5 2023
Endrin MR 4 2022
Methoxychlor MR 4 2022
Toxaphene MR 4 2022
Di(2-ethylhexyl) adipate MR 4 2022
Hexachlorocyclopentadiene MR 4 2022
Atrazine MR 4 2022
Benzo(a)pyrene MR 4 2022
HEXACHLOROBENZENE MR 4 2022
Chlordane MR 4 2022
Heptachlor MR 4 2022
Heptachlor epoxide MR 4 2022
Simazine MR 4 2022
BHC-GAMMA MR 4 2022
LASSO MR 4 2022
OXAMYL MR 3 2022
Carbofuran MR 3 2022
2,4-D MR 3 2022
Pentachlorophenol MR 3 2022
Dalapon MR 3 2022
Picloram MR 3 2022

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for BLYN - 7 CEDARS CONSOLIDATED.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID 105300083 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

10 Drinking Water Authority

10's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 10 regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Di(2-ethylhexyl) phthalate MR 5 SDWIS / 105300083 / 2039
2023 Lead and Copper Rule MR 5 SDWIS / 105300083 / 5000
2022 1,2-DIBROMO-3-CHLOROPROPANE MR 7 SDWIS / 105300083 / 2931
2022 Diquat MR 6 SDWIS / 105300083 / 2032
2022 Endothall MR 6 SDWIS / 105300083 / 2033
2022 Glyphosate MR 5 SDWIS / 105300083 / 2034
2022 Total Polychlorinated Biphenyls (PCB) MR 5 SDWIS / 105300083 / 2383
2022 2,3,7,8-TCDD MR 5 SDWIS / 105300083 / 2063
2022 ETHYLENE DIBROMIDE MR 5 SDWIS / 105300083 / 2946
2022 Endrin MR 4 SDWIS / 105300083 / 2005
2022 Methoxychlor MR 4 SDWIS / 105300083 / 2015
2022 Toxaphene MR 4 SDWIS / 105300083 / 2020
2022 Di(2-ethylhexyl) adipate MR 4 SDWIS / 105300083 / 2035
2022 Hexachlorocyclopentadiene MR 4 SDWIS / 105300083 / 2042
2022 Atrazine MR 4 SDWIS / 105300083 / 2050

How BLYN - 7 CEDARS CONSOLIDATED Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric BLYN - 7 CEDARS CONSOLIDATED 10 avg Federal benchmark
Total violations 198 202.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 20% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,630 902 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 158 regulated public water systems in 10.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is BLYN - 7 CEDARS CONSOLIDATED water safe to drink?
BLYN - 7 CEDARS CONSOLIDATED (PWS ID: 105300083) has 198 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,630 people using Groundwater sources.
How many people does BLYN - 7 CEDARS CONSOLIDATED serve?
BLYN - 7 CEDARS CONSOLIDATED serves 2,630 people in SEQUIM, 10. It is a Native American-owned system using Groundwater water sources with 19 service connections.
What type of violations does BLYN - 7 CEDARS CONSOLIDATED have?
BLYN - 7 CEDARS CONSOLIDATED has 198 total violations: 0 health-based violations (MCL exceedances or treatment failures), 195 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BLYN - 7 CEDARS CONSOLIDATED water?
No PFAS testing data is available for BLYN - 7 CEDARS CONSOLIDATED under the EPA's UCMR5 monitoring program.
What water source does BLYN - 7 CEDARS CONSOLIDATED use?
BLYN - 7 CEDARS CONSOLIDATED uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial