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WaterSafeCheck

Cottage Grove, OR Tap Water Quality

Water safety reports for all 1 ZIP code in Cottage Grove, Oregon

Average Score

81/100

Health Violations

2

ZIP Codes

1

High Lead Risk

1

of 1 ZIP codes

B

About Tap Water in Cottage Grove, OR

The drinking water in Cottage Grove, OR generally meets all federal health standards, earning a solid B grade with a composite safety score of 81/100 across 1 ZIP code. While the primary water utility, City of Cottage Grove,, maintains adequate compliance with EPA regulations, there have been minor or administrative violations on record. Overall, residents receive safe tap water that is actively monitored by Oregon Health Authority.

Over the past 5 years, Cottage Grove has recorded 2 health-based violations. While occasional violations can occur due to seasonal changes or temporary infrastructure issues, City of Cottage Grove, is legally required to resolve these quickly and notify the public via their annual Consumer Confidence Report. The city's water supply, primarily drawn from surface water, is treated to address these specific contaminants.

Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 1 out of 1 ZIP codes in Cottage Grove are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.

⚠ Lead Risk Alert: Some ZIP codes in Cottage Grove are rated High or Very High for lead exposure risk based on EPA data. Search your specific ZIP code for a detailed lead level report.

Health-Based Contaminant Violations in Cottage Grove

EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Cottage Grove water systems over the past 5 years.

Contaminant 0700Stage 1 DBP Rule

Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.

Water Quality by ZIP Code — Cottage Grove, OR

Click any ZIP code for the full water quality report

B
97424

Cottage Grove, OR

Score: 81/1002 violations

Frequently Asked Questions — Cottage Grove Water Quality

Is tap water safe to drink in Cottage Grove, OR?+
Yes — tap water in Cottage Grove meets all federal EPA standards and earns a B grade. It is generally safe for healthy adults. As always, running your tap for 30 seconds before use and using a filter adds extra protection for vulnerable populations.
What is the water quality score for Cottage Grove?+
The average water quality score across 1 ZIP code in Cottage Grove, OR is 81/100. Scores are derived from EPA violation history, lead levels, enforcement actions, and infrastructure risk indicators. Individual ZIP codes may vary — search your specific ZIP above for a personalized report.
Does Cottage Grove have lead in its tap water?+
1 out of 1 ZIP codes in Cottage Grove are rated High or Very High for lead exposure risk. Older homes built before 1986 may have lead service lines or plumbing fixtures. Residents should run their tap for 30 seconds before use and consider a certified NSF/ANSI 53 lead filter.
How do I get the water quality report for Cottage Grove?+
Each ZIP code in Cottage Grove has a full water quality report on this site — click any ZIP code below. You can also get the annual Consumer Confidence Report (CCR) from your local water utility. The CCR is required to be published every year by July 1 and contains actual contaminant measurements and violation history.
Where does Cottage Grove's tap water come from?+
Tap water in Cottage Grove, OR primarily comes from surface water. Surface water systems treat water from rivers, lakes, or reservoirs using filtration, sedimentation, and disinfection before it reaches your tap.

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