Best Well Water Testing in Houston, TX
Compare 23 local well water testing providers in Houston. Verified listings with real contact info.
23 services listed
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Fast Mold Testing - Houston
Downtown Green street, 1201 Fannin St Suite 262, HOUSTON
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours
5 ★
4 reviews
Mold Remediation Houston Heroes
2100 Travis St #1393, Houston, TX 77002
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours
5 ★
96 reviews
Fastest Labs of Central Houston
2117 Chenevert St Suite F, Houston, TX 77003
Monday: 9:00 AM – 5:00 PM | Tuesday: 9:00 AM – 5:00 PM | Wednesday: 9:00 AM – 5:00 PM | Thursday: 9:00 AM – 5:00 PM | Friday: 9:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
5 ★
121 reviews
AWA Environmental
1860 White Oak Dr, Houston, TX 77009
Monday: 8:00 AM – 9:00 PM | Tuesday: 8:00 AM – 9:00 PM | Wednesday: 8:00 AM – 9:00 PM | Thursday: 8:00 AM – 9:00 PM | Friday: 8:00 AM – 9:00 PM | Saturday: 8:00 AM – 9:00 PM | Sunday: 8:00 AM – 9:00 PM
5 ★
51 reviews
Water Lens
4201 Main St Suite 200, Houston, TX 77002
Monday: 9:00 AM – 5:00 PM | Tuesday: 9:00 AM – 5:00 PM | Wednesday: 9:00 AM – 5:00 PM | Thursday: 9:00 AM – 5:00 PM | Friday: 9:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
Mrs. Water
1614 Harold St, Houston, TX 77006
Monday: 9:00 AM – 5:00 PM | Tuesday: 9:00 AM – 5:00 PM | Wednesday: 9:00 AM – 5:00 PM | Thursday: 9:00 AM – 5:00 PM | Friday: 9:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
5 ★
9 reviews
Sunni Energy
4560 W 34th St F, Houston, TX 77092
Monday: 8:00 AM – 8:00 PM | Tuesday: 8:00 AM – 8:00 PM | Wednesday: 8:00 AM – 8:00 PM | Thursday: 8:00 AM – 8:00 PM | Friday: 8:00 AM – 8:00 PM | Saturday: 8:00 AM – 8:00 PM | Sunday: 8:00 AM – 6:00 PM
5 ★
340 reviews
Eurofins Built Environment Testing- Houston
5200 Mitchelldale St # E15, Houston, TX 77092
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
4.8 ★
28 reviews
Clean Water Solutions, LLC
1940 Fountain View Dr Suite #3035, Houston, TX 77057
Monday: 8:00 AM – 8:00 PM | Tuesday: 8:00 AM – 8:00 PM | Wednesday: 8:00 AM – 8:00 PM | Thursday: 8:00 AM – 8:00 PM | Friday: 8:00 AM – 8:00 PM | Saturday: 8:00 AM – 8:00 PM | Sunday: 8:00 AM – 8:00 PM
4.9 ★
115 reviews
A&B Labs, an AmSpec Group Company
10100 East Fwy #100, Houston, TX 77029
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: 10:00 AM – 2:00 PM | Sunday: Closed
3.5 ★
53 reviews
Tx Mold Inspector
10220 Memorial Dr #68, Houston, TX 77024
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours
4.5 ★
10 reviews
Simple Water Solution
6110 Pinemont Dr #235, Houston, TX 77092
Monday: 9:00 AM – 5:00 PM | Tuesday: 9:00 AM – 5:00 PM | Wednesday: 9:00 AM – 5:00 PM | Thursday: 9:00 AM – 5:00 PM | Friday: 9:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
5 ★
134 reviews
Environmental Analytical Services, LLC
13201 Northwest Fwy Suite 520, Houston, TX 77040
Monday: 9:00 AM – 5:00 PM | Tuesday: 9:00 AM – 5:00 PM | Wednesday: 9:00 AM – 5:00 PM | Thursday: 9:00 AM – 5:00 PM | Friday: 9:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
5 ★
4 reviews
Water Service USA
10161 Harwin Dr. #106, Houston, TX 77036
Monday: 9:00 AM – 5:00 PM | Tuesday: 9:00 AM – 5:00 PM | Wednesday: 9:00 AM – 5:00 PM | Thursday: 9:00 AM – 5:00 PM | Friday: 9:00 AM – 5:00 PM | Saturday: 9:00 AM – 5:00 PM | Sunday: Closed
4.7 ★
423 reviews
SGS Houston - Environmental Testing Laboratory
10165 Harwin Dr. Suite 150, Houston, TX 77036
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
Accu-Test Labs
6722 Guhn Rd, Houston, TX 77040
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
4.6 ★
18 reviews
Environmental ProTech
9301 Southwest Fwy #250, Houston, TX 77074
Monday: 8:30 AM – 5:00 PM | Tuesday: 8:30 AM – 5:00 PM | Wednesday: 8:30 AM – 5:00 PM | Thursday: 8:30 AM – 5:00 PM | Friday: 8:30 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
4.9 ★
291 reviews
Lone Star Water
2121 Brittmoore Rd #1800, Houston, TX 77043
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: 9:00 AM – 3:00 PM | Sunday: Closed
4.9 ★
196 reviews
Envirodyne Laboratories Inc
11011 Brooklet Dr Suite 230, Houston, TX 77099
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
4.8 ★
20 reviews
JEMT Strategy LLC
14335 Torrey Chase Blvd Suite H, Houston, TX 77014
Monday: 9:00 AM – 4:30 PM | Tuesday: 9:00 AM – 4:30 PM | Wednesday: 9:00 AM – 4:30 PM | Thursday: 9:00 AM – 4:30 PM | Friday: 9:00 AM – 4:30 PM | Saturday: Closed | Sunday: Closed
5 ★
387 reviews
Reliant Mold Testing
5735 Timber Creek Pl Dr #602, Houston, TX 77084
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours
4.6 ★
33 reviews
DynaQual Test Labs
301 Wells Fargo Dr #10, Houston, TX 77090
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
5 ★
14 reviews
B3 Labs
4503 Spring Cypress Rd C-7, Spring, TX 77388
Monday: 9:00 AM – 4:00 PM | Tuesday: 9:00 AM – 4:00 PM | Wednesday: 9:00 AM – 4:00 PM | Thursday: 9:00 AM – 4:00 PM | Friday: 9:00 AM – 4:00 PM | Saturday: Closed | Sunday: Closed
5 ★
102 reviews
Frequently Asked Questions
What should I test my well water for in Texas?
TCEQ recommends testing private wells at least annually for total coliform bacteria and nitrates. Given Texas's mix of agriculture, industry, oil and gas production, and coastal salinity, also consider nitrates in farm-heavy areas, chlorides where saltwater intrusion is a concern, sulfate and trace metals in some aquifers, and VOCs near industrial or petroleum activity—plus lead, arsenic, iron, manganese, and pH. Texas A&M AgriLife Extension and TCEQ publish guidance on regional contaminants of concern.
How often should well water be tested in Texas?
Test annually for bacteria and nitrates. Comprehensive testing every 2-3 years is recommended. Test immediately after any flooding event, if you notice changes in taste, odor, or color, or if you receive a notice about contamination in your area from local authorities.
Where can I get my well water tested in Texas?
Use a state-certified laboratory. Your local board of health, state university cooperative extension office, or environmental watch program can provide sampling kits and recommend certified labs. Some well service companies also partner with certified labs.
How much does well water testing cost in Texas?
Basic bacterial and nitrate testing costs $75-$150. A standard potable water panel (bacteria, nitrates, pH, iron, manganese, hardness) costs $150-$300. Extended testing for specific contaminants adds $150-$300 per sample. A comprehensive panel including multiple contaminant types costs $400-$700.