Carolina Water System
EPA ID: OR4100733 · 300 people served · 13 ZIP codes
Federal monitoring spanning five full years has produced zero violations at Carolina Water System — a clean record across every reporting cycle for a utility serving approximately 300 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 14 (2024) to 3 (2025). The pattern suggests growing compliance challenges.
Service Area Demographics
The Carolina Water System serves a community with a median household income of $81,208 and an estimated 279,480 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Carolina 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 2% of homes in Marion County, Oregon rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in Oregon
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Carolina Water System (EPA ID: OR4100733) is a community water system in Oregon that serves approximately 300 people from groundwater sources.
This system provides water to 13 ZIP codes across 1 community.
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
- 97301 — Salem
- 97302 — Salem
- 97303 — Salem
- 97304 — Salem
- 97305 — Salem
- 97306 — Salem
- 97308 — Salem
- 97309 — Salem
- 97310 — Salem
- 97311 — Salem
- 97312 — Salem
- 97314 — Salem
- 97317 — Salem
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Carolina Water System (OR4100733) on EPA.gov.
Frequently Asked Questions
Is Carolina Water System water safe to drink?
Based on EPA records, Carolina Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Carolina Water System serve?
Carolina Water System serves approximately 300 people across 13 ZIP codes in Oregon.
Where does Carolina 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:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
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.