Big Island Water Company
EPA ID: MO3031265 · 175 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Big Island Water Company (MO3031265): no drinking-water violations recorded since 2021. Big Island Water Company has no EPA violations on record; the utility serves 175 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Big Island Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Big Island Water Company have a median household income of $52,941 and about 1,253 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 45% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Big Island Water Company'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Missouri
System Overview
Big Island Water Company (EPA ID: MO3031265) is a community water system in Missouri that serves approximately 175 people from groundwater sources.
This system serves ZIP code 65787 in Roach.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2020-12-31 |
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 2.
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 MO or modeled from parcel and building-footprint data.
- 65787 - Roach
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Big Island Water Company (MO3031265) on EPA.gov.
Frequently Asked Questions
Is Big Island Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Big Island Water Company 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 Big Island Water Company serve?
Big Island Water Company serves approximately 175 people across 1 ZIP code in Missouri.
Where does Big Island Water Company get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Big Island Water Company Water Quality Report, MO. https://zipcheckup.com/water-system/mo3031265/
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title = {{Big Island Water Company Water Quality Report, MO}},
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url = {https://zipcheckup.com/water-system/mo3031265/}
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