Well Water Quality in ZIP 89497

Sparks, Nevada · Douglas County

Quality Score

72/100

Well Households

4,081

Top Concern

Radon

Avg Test Cost

$154

Live DataLast updated: April 6, 2026·Source: EPA SDWIS & USGS

Water Quality Assessment

Overall RatingGood

Score 72/100 based on EPA and USGS water quality data.

ZIP 89497 Details

ZIP Code	89497
City	Sparks
State	Nevada (NV)
County	Douglas County
Well Households	4,081
Quality Score	72/100
Top Concern	Radon
Avg Testing Cost	$154
State Quality Score	70/100

Test Your Well Water

If you live in ZIP code 89497, the EPA recommends testing your private well at least once a year. The average testing cost in your area is $154.

Step 1: Get a Test Kit

Contact your local health department or order an EPA-certified test kit.

Step 2: Collect Sample

Follow kit instructions carefully. Test for Radon and bacteria.

Step 3: Review Results

Compare your results to EPA limits. Install treatment if needed.

Nearby ZIP Codes in Douglas County

89002Las Vegas Springs80/100 88912Reno Valley76/100 88926Reno Heights75/100 89235North Las Vegas Valley63/100 89085Sparks81/100 89298Reno76/100

Most Well Users in Nevada

ZIP codes with the most private well households

#189074Las Vegas Springs5,000 wells #289442Reno4,999 wells #389241Sparks Springs4,983 wells #489226Boulder City4,982 wells #588931Pahrump4,974 wells #689184Elko4,965 wells #789071Mesquite4,964 wells #889002Las Vegas Springs4,944 wells #989455Mesquite4,943 wells #1089465Elko4,937 wells

Explore More

Nevada Water Quality Radon Info Radon in Nevada More ZIP code data

EPA SDWIS & USGS

📊

WellWaterPeek Research TeamData Specialists

Our team analyzes data from EPA SDWIS & USGS to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.

✓ EPA SDWIS & USGS✓ Updated 2025

Frequently Asked Questions

Is well water safe to drink in ZIP code 89497?

The overall water quality score for ZIP code 89497 (Sparks, Nevada) is 72/100, rated as "Good." The primary contaminant of concern is Radon. We recommend testing your well water annually — average testing cost in this area is $154.

How many households use well water in 89497?

Approximately 4,081 households in ZIP code 89497 (Sparks, Douglas County) rely on private well water. Statewide, Nevada has 120,000 well water users, with 8.5% of the population on well water.

How much does well water testing cost in Sparks, Nevada?

The average cost of well water testing in ZIP code 89497 is approximately $154. Testing is recommended at least once per year, and more frequently if you notice changes in taste, color, or odor. The EPA recommends testing for bacteria, nitrates, and any locally relevant contaminants.

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