F0/100
MANZANITA WATER DEPARTMENT — Water Quality Report 2026
Serving 3,200 people · Oregon
Water Source
Purchased Groundwater
County
—
System ID
OR4100505
Violations
82
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 3.03 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – August 25, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Consumer confidence report — inadequate or unavailable
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025 – September 2, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 20, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About MANZANITA WATER DEPARTMENT
Is MANZANITA WATER DEPARTMENT water safe to drink?
MANZANITA WATER DEPARTMENT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 82 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MANZANITA WATER DEPARTMENT detected?
2 contaminants were tested in MANZANITA WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MANZANITA WATER DEPARTMENT have any EPA violations?
Yes, MANZANITA WATER DEPARTMENT has 82 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, TT. 4 are health-based violations.
How many people does MANZANITA WATER DEPARTMENT serve?
MANZANITA WATER DEPARTMENT serves approximately 3,200 people, Oregon.
What type of water does MANZANITA WATER DEPARTMENT provide?
MANZANITA WATER DEPARTMENT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OR4100505.
How does MANZANITA WATER DEPARTMENT compare to other utilities in Oregon?
MANZANITA WATER DEPARTMENT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oregon state page for a full comparison of water systems.