WATER QUALITY WA

Water Quality in Nine Mile Falls, WA: No Violations — Grade D

Grade D · Score 53/100 · 1 water system · Updated 2026-05-03

Nine Mile Falls's water has significant violations. Water testing and filtration are recommended.

Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03

Nine Mile Falls, WA has zero reported violations — 1 water system, all compliant.

Water Grade

Total Violations

Water Systems

ZIPs with Violations

ZIP Codes Monitored

Water Quality by ZIP Code in Nine Mile Falls

Water quality varies across Nine Mile Falls's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.

ZIP Code	Grade	Score	Violations	Health
99026	D	53	0	0	View report →

Water Quality Overview

Nine Mile Falls, Washington receives a water quality grade of D with an overall score of 53 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).

No EPA violations have been recorded for the 1 water system serving Nine Mile Falls. This is a positive indicator, though it does not guarantee the absence of all contaminants — some substances (like PFAS) are not yet fully regulated.

What Grade D Means

A grade of D indicates significant compliance issues. Nine Mile Falls's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.

Lead Levels

Lead testing data for Nine Mile Falls is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.

Radon Risk

Nine Mile Falls is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.

Water Systems Serving Nine Mile Falls

Nine Mile Falls is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 343,167 people across 1 ZIP codes.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

Test for over 90 regulated contaminants on a regular schedule
Report results to the EPA and state regulators
Issue an annual Consumer Confidence Report (CCR) to all customers
Take corrective action when violations occur

How to Check Your Water in Nine Mile Falls

Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts

Nine Mile Falls vs. Nearby Washington Cities

How Nine Mile Falls's water quality compares to similar cities in Washington:

City	Grade	Systems	Population
Nine Mile Falls	D	1	343,167
Airway Heights	D	1	343,167
Valleyford	D	1	343,167
Veradale	D	1	343,167

Common Questions About Nine Mile Falls Water

These are the most common questions residents search for about water quality in Nine Mile Falls, Washington:

Is Nine Mile Falls water hard or soft? Water hardness varies by source. Nine Mile Falls's 1 water system uses a single source. Check your ZIP code report for specific hardness data.

Can I drink Nine Mile Falls tap water? Nine Mile Falls's water receives a grade of D (53/100). No health-based violations have been recorded, but home testing is always recommended.

What is the best water filter for Nine Mile Falls? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.

Nine Mile Falls vs. Washington Average

Understanding how Nine Mile Falls compares to the broader Washington average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Nine Mile Falls.

ZIP Codes in Nine Mile Falls

Nine Mile Falls spans 1 ZIP code. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Lead/copper: EPA Lead and Copper Rule sampling data
Radon: EPA Map of Radon Zones
Enforcement: EPA ECHO database
Filter recommendations: NSF/ANSI certified products

Updated daily.

Frequently Asked Questions

Is Nine Mile Falls tap water safe to drink?

Nine Mile Falls's water receives a grade of D (53/100). 0 health-based violations have been recorded. Independent water testing and filtration are recommended.

What contaminants are found in Nine Mile Falls water?

Nine Mile Falls water systems have zero recorded violations. While this is excellent, the EPA recommends annual testing as contaminants can enter your water through home plumbing.

How many water violations does Nine Mile Falls have?

Nine Mile Falls has 0 total EPA violations across 1 water system. 0 of 1 ZIP codes have at least one violation.

How many water systems serve Nine Mile Falls?

Nine Mile Falls is served by 1 public water system supplying drinking water across 1 ZIP codes. Water quality can vary between systems — check your specific ZIP code for localized data.

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