PlainWater

Non-Transient Non-Community Water System · PWS OR4101058

Seventh Mountain Resort

Bend, Oregon 97702 - drinking water served from groundwater sources to 400 people, tracked in EPA SDWIS and UCMR5.

400
People served
97
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 97 drinking-water violations at Seventh Mountain Resort, 18% of them health-based - above the Oregon per-system average.

97
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Seventh Mountain Resort

Seventh Mountain Resort is a private-owned non-transient non-community water system that delivers drinking water to 400 residents in Bend, Oregon (Deschutes County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 97 total violations for this system , of which 17 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 77 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oregon, EPA tracks 2,518 public water systems serving 4,005,242 people, with 206,659 cumulative violations and 20,339 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 82.1 violations. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%).

Seventh Mountain Resort's 97 violations sit above the Oregon average.

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
400
Total Violations
97
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Deschutes
School/Daycare
No
MCL Violations
13
Monitoring Violations
77
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 2014
Coliform (TCR) MR 7 2014
Lead and Copper Rule MR 7 2023
Revised Total Coliform Rule MON 5 2022
Revised Total Coliform Rule TT 4 2023
Revised Total Coliform Rule MCL 4 2024
Nitrate MR 4 2003
E. COLI MR 3 2021
Arsenic MR 1 2002
cis-1,2-Dichloroethylene MR 1 2002
p-Dichlorobenzene MR 1 2002
Vinyl chloride MR 1 2002
1,1-Dichloroethylene MR 1 2002
1,2-Dichloroethane MR 1 2002
Carbon tetrachloride MR 1 2002
1,2-Dichloropropane MR 1 2002
Trichloroethylene MR 1 2002
1,1,2-Trichloroethane MR 1 2002
Tetrachloroethylene MR 1 2002
CHLOROBENZENE MR 1 2002
Benzene MR 1 2002
BHC-GAMMA MR 1 2002
Toxaphene MR 1 2002
Dalapon MR 1 2002
Endothall MR 1 2002
Glyphosate MR 1 2002
Picloram MR 1 2002
Dinoseb MR 1 2002
Hexachlorocyclopentadiene MR 1 2002
Carbofuran MR 1 2002

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 Seventh Mountain Resort.

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 OR4101058 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oregon Drinking Water Authority

Oregon'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 OR 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
2024 Revised Total Coliform Rule MCL 4 SDWIS / OR4101058 / 8000
2023 Lead and Copper Rule MR 7 SDWIS / OR4101058 / 5000
2023 Revised Total Coliform Rule TT 4 SDWIS / OR4101058 / 8000
2023 Public Notice Other 1 SDWIS / OR4101058 / 7500
2022 Revised Total Coliform Rule MON 5 SDWIS / OR4101058 / 8000
2021 E. COLI MR 3 SDWIS / OR4101058 / 3014
2014 Coliform (TCR) MCL 9 SDWIS / OR4101058 / 3100
2014 Coliform (TCR) MR 7 SDWIS / OR4101058 / 3100
2003 Nitrate MR 4 SDWIS / OR4101058 / 1040
2002 Arsenic MR 1 SDWIS / OR4101058 / 1005
2002 cis-1,2-Dichloroethylene MR 1 SDWIS / OR4101058 / 2380
2002 p-Dichlorobenzene MR 1 SDWIS / OR4101058 / 2969
2002 Vinyl chloride MR 1 SDWIS / OR4101058 / 2976
2002 1,1-Dichloroethylene MR 1 SDWIS / OR4101058 / 2977
2002 1,2-Dichloroethane MR 1 SDWIS / OR4101058 / 2980

How Seventh Mountain Resort Compares

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

Metric Seventh Mountain Resort Oregon avg Federal benchmark
Total violations 97 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 8.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 400 1,591 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,518 regulated public water systems in Oregon.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Seventh Mountain Resort water safe to drink?
Seventh Mountain Resort (PWS ID: OR4101058) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Groundwater sources.
How many people does Seventh Mountain Resort serve?
Seventh Mountain Resort serves 400 people in Bend, Oregon. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Seventh Mountain Resort have?
Seventh Mountain Resort has 97 total violations: 17 health-based violations (MCL exceedances or treatment failures), 77 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Seventh Mountain Resort water?
No PFAS testing data is available for Seventh Mountain Resort under the EPA's UCMR5 monitoring program.
What water source does Seventh Mountain Resort use?
Seventh Mountain Resort 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
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 system's figures are rendered directly from 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.