ZIP Code 97311 Water Quality Report
Salem, OR · Marion County County
Water Safety Grade
Excellent — Meets all EPA standards
Health Violations
0
Total Violations
8
Lead Risk
N/A
Contaminants
0
About Tap Water in ZIP Code 97311
Tap water in ZIP code 97311 (Salem, OR) is among the safest in the country. Served by Salem Public Works, this area earned a water safety grade of A with a composite score of 94/100 — indicating full regulatory compliance and low contaminant risk across EPA monitoring periods.
Water System
Salem Public Works
EPA ID: OR4100731
Water Source
Surface Water
Population Served
199,820 residents
County
Marion County County, Oregon
Lead Levels in ZIP 97311
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 2.0 ppb — Very Low
From annual CCR filing
Violation History
Past 5 years — EPA SDWIS data
Salem Public Works has recorded 8 violations, but none are health-based. Administrative or reporting violations don't directly indicate unsafe water, but they do signal gaps in documentation or monitoring procedures. 1 violation is currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility. Additionally, this area has had 1 boil water advisory — temporary orders issued when microbial contamination risk is elevated.
Regulatory compliance risk is rated High. Salem Public Works has a pattern of compliance issues that goes beyond isolated incidents. Residents should stay informed via their utility's Consumer Confidence Report.
Contaminants Detected
Contaminants with health-based violations on record
No health-based contaminant violations are on record for ZIP code 97311. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.
⚖ Enforcement Actions
Water Source & Environmental Factors
Surface Water
This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.
Lower potential
EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.
🛡 What Should You Do? — ZIP 97311 Recommendations
Your water quality is good
- ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
- ✓ Request your annual Consumer Confidence Report from Salem Public Works
- ✓ If your home was built before 1986, consider testing your own tap for lead
- ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste
Frequently Asked Questions — ZIP 97311 Water Quality
Is tap water safe to drink in ZIP code 97311?+
What is the lead level in 97311 tap water?+
Who provides tap water to 97311?+
What is the water source for 97311?+
Does 97311 have any active water quality violations?+
How do I get a copy of my water quality report for 97311?+
What water filter should I use in 97311?+
Is 97311 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 97311 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Salem Public Works. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →