Union Star Public Water System
EPA ID: MO1010802 · 386 people served · 2 ZIP codes
For the full five-year period covered by EPA monitoring, Union Star Public Water System has supplied tap water to 386 residents with no violations of any type on record.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Union Star Public Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Union Star Public Water System serves a community with a median household income of $67,405 and an estimated 1,568 residents across its service area. Approximately 76% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Union Star Public Water System's water is pumped from underground aquifers. 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.
About 1% of homes in Andrew County, Missouri rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Missouri
System Overview
UNION STAR PWS (EPA ID: MO1010802) is a community water system in Missouri that serves approximately 386 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Union Star Public Water System (MO1010802) on EPA.gov.
Frequently Asked Questions
Is Union Star Public Water System water safe to drink?
Based on EPA records, Union Star Public Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Union Star Public Water System serve?
Union Star Public Water System serves approximately 386 people across 2 ZIP codes in Missouri.
Where does Union Star Public Water System get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.