Best Well Water Testing in San Antonio, TX
Compare 22 local well water testing providers in San Antonio. Verified listings with real contact info.
22 services listed
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Jenkiny Clean Up | Mold Removal Service
315 E Commerce St #104, San Antonio, TX 78205
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 ★
8 reviews
Catstrong Mold Inspection of San Antonio
300 Convent St #1330, San Antonio, TX 78205
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
4.4 ★
14 reviews
San Antonio Water Damage & Restoration
226 College St, San Antonio, TX 78205
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
4.9 ★
43 reviews
Eurofins Environment Testing - San Antonio
1610 S Laredo St, San Antonio, TX 78207
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 ★
33 reviews
AirMD San Antonio TX
321 W Josephine St, San Antonio, TX 78212
Monday: 8:30 AM – 6:00 PM | Tuesday: 8:30 AM – 6:00 PM | Wednesday: 8:30 AM – 6:00 PM | Thursday: 8:30 AM – 6:00 PM | Friday: 8:30 AM – 6:00 PM | Saturday: Closed | Sunday: Closed
2.8 ★
5 reviews
Culligan of San Antonio
1034 Austin St, San Antonio, TX 78208
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
4.7 ★
732 reviews
Aladdin Environmental, LLC
321 W Josephine St, San Antonio, TX 78212
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
4.4 ★
7 reviews
GreenWorks Inspections & Engineering - San Antonio TX
4040 Broadway Suite 240, San Antonio, TX 78209
Monday: 7:00 AM – 8:00 PM | Tuesday: 7:00 AM – 8:00 PM | Wednesday: 7:00 AM – 8:00 PM | Thursday: 7:00 AM – 8:00 PM | Friday: 7:00 AM – 8:00 PM | Saturday: 8:00 AM – 8:00 PM | Sunday: 8:00 AM – 8:00 PM
5 ★
363 reviews
Trinity Water Treatment
7700 Broadway #104-166, San Antonio, TX 78209
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 ★
13 reviews
DEKD Environmental Testing & Consulting South
7411 Barlite Blvd #240014, San Antonio, TX 78224
Monday: 6:00 AM – 8:00 PM | Tuesday: 6:00 AM – 8:00 PM | Wednesday: 6:00 AM – 8:00 PM | Thursday: 6:00 AM – 8:00 PM | Friday: 6:00 AM – 8:00 PM | Saturday: 9:00 AM – 7:00 PM | Sunday: 12:00 – 7:00 PM
5 ★
9 reviews
Aqua Life SATX
1600 NE Interstate 410 Loop Suite# 207, San Antonio, TX 78209
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 – 2:00 PM | Sunday: Closed
4.9 ★
49 reviews
Alamo Analytical Laboratories
10526 Gulfdale St, San Antonio, TX 78216
4.8 ★
5 reviews
Leaf Home Water Solutions
11905 Starcrest Dr, San Antonio, TX 78247
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 – 5:00 PM | Saturday: 8:00 AM – 6:00 PM | Sunday: Closed
4.4 ★
74 reviews
Texas Water Systems
5804 Babcock Rd, San Antonio, TX 78240
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
4.1 ★
60 reviews
Envirobiomics
11550 I-10, San Antonio, TX 78230
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
4.7 ★
229 reviews
San Antonio Water Solutions
5351 Brewster St, San Antonio, TX 78233
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
4.9 ★
157 reviews
Alamo Water Softeners
3823 Thousand Oaks Dr, San Antonio, TX 78217
Monday: 8:00 AM – 6:00 PM | Tuesday: 8:00 AM – 6:00 PM | Wednesday: 8:00 AM – 6:00 PM | Thursday: 8:00 AM – 6:00 PM | Friday: 8:00 AM – 6:00 PM | Saturday: 10:00 AM – 2:00 PM | Sunday: Closed
4.9 ★
3410 reviews
The Water Man
7715 Mainland Dr #101, San Antonio, TX 78250
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 – 4:00 PM | Saturday: Closed | Sunday: Closed
4.9 ★
305 reviews
Pollution Control Services
1532 Universal City Blvd Suite 102, Universal City, TX 78148
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
4.2 ★
19 reviews
Water Quality Control Bml
20770 US-281 #148, San Antonio, TX 78258
Monday: Closed | Tuesday: Closed | Wednesday: Closed | Thursday: Closed | Friday: Closed | Saturday: Closed | Sunday: 9:00 AM – 8:00 PM
5 ★
4 reviews
Quanta Lab
9330 Corporate Dr # 703, Selma, TX 78154
4.8 ★
6 reviews
A1 Water
3815 Ponderosa Bend, San Antonio, TX 78261
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 ★
7 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.