Well Water Quality in ZIP 37540

Memphis, Tennessee · Douglas County

Quality Score

64/100

Well Households

4,479

Top Concern

Iron

Avg Test Cost

$110

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

Water Quality Assessment

Overall RatingFair

Score 64/100 based on EPA and USGS water quality data. Annual testing is strongly recommended.

ZIP 37540 Details

ZIP Code	37540
City	Memphis
State	Tennessee (TN)
County	Douglas County
Well Households	4,479
Quality Score	64/100
Top Concern	Iron
Avg Testing Cost	$110
State Quality Score	64/100

Test Your Well Water

If you live in ZIP code 37540, the EPA recommends testing your private well at least once a year. The average testing cost in your area is $110.

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 Iron and bacteria.

Step 3: Review Results

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

Nearby ZIP Codes in Douglas County

37624Clarksville74/100 37092Columbia60/100 37244Clarksville Creek49/100 37150Clarksville Valley78/100 37620Chattanooga Creek46/100 37436Franklin Creek74/100

Most Well Users in Tennessee

ZIP codes with the most private well households

#137130Johnson City4,973 wells #238062Hendersonville4,950 wells #337204Knoxville Creek4,947 wells #438166Knoxville4,947 wells #537446Memphis4,943 wells #637148Jackson Creek4,936 wells #738136Nashville4,930 wells #837624Clarksville4,926 wells #937092Columbia4,923 wells #1037078Chattanooga Park4,922 wells

Explore More

Tennessee Water Quality Iron Info Iron in Tennessee 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 37540?

The overall water quality score for ZIP code 37540 (Memphis, Tennessee) is 64/100, rated as "Fair." The primary contaminant of concern is Iron. We recommend testing your well water annually — average testing cost in this area is $110.

How many households use well water in 37540?

Approximately 4,479 households in ZIP code 37540 (Memphis, Douglas County) rely on private well water. Statewide, Tennessee has 420,000 well water users, with 14.2% of the population on well water.

How much does well water testing cost in Memphis, Tennessee?

The average cost of well water testing in ZIP code 37540 is approximately $110. 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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