Black Butte Ranch Corporation
EPA ID: OR4100086 · 740 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Black Butte Ranch Corporation (OR4100086): no drinking-water violations recorded since 2021. EPA monitoring records reviewed for Black Butte Ranch Corporation list no violations. That describes the federal file only, not a test of the water at any tap, for a utility that reports serving approximately 740 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Black Butte Ranch Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Black Butte Ranch Corporation have a median household income of $100,848 and about 7,500 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Black Butte Ranch Corporation's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Oregon
System Overview
Black Butte Ranch Corporation (EPA ID: OR4100086) is a community water system in Oregon that serves approximately 740 people from groundwater sources.
This system serves ZIP code 97759 in Sisters.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OR or modeled from parcel and building-footprint data.
- 97759 - Sisters
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Black Butte Ranch Corporation (OR4100086) on EPA.gov.
Frequently Asked Questions
Is Black Butte Ranch Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Black Butte Ranch Corporation in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Black Butte Ranch Corporation serve?
Black Butte Ranch Corporation serves approximately 740 people across 1 ZIP code in Oregon.
Where does Black Butte Ranch Corporation get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Black Butte Ranch Corporation Water Quality Report, OR. https://zipcheckup.com/water-system/or4100086/
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author = {{ZipCheckup}},
title = {{Black Butte Ranch Corporation Water Quality Report, OR}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/or4100086/}
}