Best Well Water Testing in San Bernardino, CA
Compare 31 local well water testing providers in San Bernardino. Verified listings with real contact info.
31 services listed
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Fastest Labs of San Bernardino
955 N D St, San Bernardino, CA 92410
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 ★
659 reviews
General Pump Company
1324 W Rialto Ave, San Bernardino, CA 92410
Monday: 7:00 AM – 4:00 PM | Tuesday: 7:00 AM – 4:00 PM | Wednesday: 7:00 AM – 4:00 PM | Thursday: 7:00 AM – 4:00 PM | Friday: 7:00 AM – 4:00 PM | Saturday: Closed | Sunday: Closed
2 ★
4 reviews
Inland Water Services
939 Reece St, San Bernardino, CA 92411
Monday: 7:30 AM – 4:00 PM | Tuesday: 7:30 AM – 4:00 PM | Wednesday: 7:30 AM – 4:00 PM | Thursday: 7:30 AM – 4:00 PM | Friday: 7:30 AM – 4:00 PM | Saturday: 8:00 AM – 12:00 PM | Sunday: Closed
4.2 ★
5 reviews
Brickley Environmental
957 Reece St, San Bernardino, CA 92411
Monday: 7:00 AM – 4:00 PM | Tuesday: 7:00 AM – 4:00 PM | Wednesday: 7:00 AM – 4:00 PM | Thursday: 7:00 AM – 4:00 PM | Friday: 7:00 AM – 4:00 PM | Saturday: Closed | Sunday: Closed
4.3 ★
12 reviews
California Pumping & Sanitation, Inc
1057 S Washington Ave, San Bernardino, CA 92408
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 ★
294 reviews
Labcorp
401 E Highland Ave # 252, San Bernardino, CA 92404
Monday: 7:00 AM – 3:00 PM | Tuesday: 7:00 AM – 3:00 PM | Wednesday: 7:00 AM – 3:00 PM | Thursday: 7:00 AM – 3:00 PM | Friday: 7:00 AM – 3:00 PM | Saturday: Closed | Sunday: Closed
2.6 ★
212 reviews
Green Planet Restoration San Bernardino
473 E Carnegie Dr, San Bernardino, CA 92408
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
4.8 ★
42 reviews
BSK Associates
350 E Commercial Rd #110, San Bernardino, CA 92408
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 ★
1 reviews
THE ABSOLUTE WATER & OTHER SER
1091 S Mt Vernon Ave unit e, Colton, CA 92324
Monday: 10:00 AM – 6:00 PM | Tuesday: 10:00 AM – 6:00 PM | Wednesday: 10:00 AM – 6:00 PM | Thursday: 10:00 AM – 6:00 PM | Friday: 10:00 AM – 6:00 PM | Saturday: Closed | Sunday: Closed
4.9 ★
66 reviews
Loma Linda University Medical Center Laboratory Collection Center
11370 Anderson St Ste 1400, Loma Linda, CA 92354
Monday: 5:30 AM – 5:00 PM | Tuesday: 5:30 AM – 5:00 PM | Wednesday: 5:30 AM – 5:00 PM | Thursday: 5:30 AM – 5:00 PM | Friday: 5:30 AM – 3:00 PM | Saturday: Closed | Sunday: 7:00 AM – 12:30 PM
4.4 ★
106 reviews
Unwaveringsolutions.com
219 S Riverside Ave #135, Rialto, CA 92376
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: 10:00 AM – 6:00 PM
5 ★
12 reviews
Clinical Laboratory of San Bernardino
21881 Barton Rd, Grand Terrace, CA 92313
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: 8:30 – 11:30 AM | Sunday: 8:30 – 11:30 AM
4.3 ★
14 reviews
Lifetime Solutions
Unit E2, 1299 Columbia Ave, RIVERSIDE
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
4.8 ★
177 reviews
The Water Zen (Alkaline Water)
9810 Sierra Ave. B, Fontana, CA 92335
Monday: 8:30 AM – 7:00 PM | Tuesday: 8:30 AM – 7:00 PM | Wednesday: 8:30 AM – 7:00 PM | Thursday: 8:30 AM – 7:00 PM | Friday: 8:30 AM – 7:00 PM | Saturday: 8:30 AM – 7:00 PM | Sunday: 8:30 AM – 7:00 PM
4.8 ★
161 reviews
Babcock Laboratories
6100 Quail Valley Ct, Riverside, CA 92507
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
4.1 ★
39 reviews
Coast Water System
10466 Redwood Ave, Fontana, CA 92337
Monday: 9:00 AM – 6:00 PM | Tuesday: 9:00 AM – 6:00 PM | Wednesday: 9:00 AM – 6:00 PM | Thursday: 9:00 AM – 6:00 PM | Friday: 9:00 AM – 6:00 PM | Saturday: Closed | Sunday: Closed
4 ★
70 reviews
Hague Quality Water Of The Inland Empire
7171 Jurupa Ave STE 28, Riverside, CA 92504
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 – 1:00 PM | Sunday: Closed
5 ★
14 reviews
Culligan Water of Ontario
1925 Burgundy Pl, Ontario, CA 91761
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
4.7 ★
789 reviews
Advanced Chemical Service Inc.
9800 Indiana Ave #1, Riverside, CA 92503
Monday: 7:00 AM – 3:00 PM | Tuesday: 7:00 AM – 3:00 PM | Wednesday: 7:00 AM – 3:00 PM | Thursday: 7:00 AM – 3:00 PM | Friday: 7:00 AM – 3:00 PM | Saturday: Closed | Sunday: Closed
3.5 ★
4 reviews
Sedna Water Co.
7828 Haven Ave, Rancho Cucamonga, CA 91730
Monday: 9:00 AM – 6:00 PM | Tuesday: 9:00 AM – 6:00 PM | Wednesday: 9:00 AM – 6:00 PM | Thursday: 9:00 AM – 6:00 PM | Friday: 9:00 AM – 6:00 PM | Saturday: 9:00 AM – 6:00 PM | Sunday: Closed
4.9 ★
177 reviews
Fenestration Testing Lab (FTL)
10235 8th St, Rancho Cucamonga, CA 91730
Monday: 8:00 AM – 4:00 PM | Tuesday: 8:00 AM – 4:00 PM | Wednesday: 8:00 AM – 4:00 PM | Thursday: 8:00 AM – 4:00 PM | Friday: 8:00 AM – 4:00 PM | Saturday: Closed | Sunday: Closed
4.5 ★
4 reviews
Diamond Pure Water Filtration
9155 Archibald Ave #303, Rancho Cucamonga, CA 91730
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: 8:00 AM – 2:00 PM | Sunday: Closed
4.3 ★
28 reviews
Aqua-Metric Sales Company
4050 Flat Rock Rd, Riverside, CA 92505
Monday: 7:30 AM – 4:30 PM | Tuesday: 7:30 AM – 4:30 PM | Wednesday: 7:30 AM – 4:30 PM | Thursday: 7:30 AM – 4:30 PM | Friday: 7:30 AM – 4:30 PM | Saturday: Closed | Sunday: Closed
5 ★
2 reviews
be safe water
385 Richey Cir, Corona, CA 92879
Waterrific
765 N Main St, Corona, CA 92878
Monday: 9:00 AM – 6:00 AM | Tuesday: 9:00 AM – 6:00 AM | Wednesday: 9:00 AM – 6:00 AM | Thursday: 9:00 AM – 6:00 AM | Friday: 9:00 AM – 6:00 AM | Saturday: 10:00 AM – 4:00 AM | Sunday: Closed
5 ★
59 reviews
Select Source Water
790 Beaumont Ave # 124, Beaumont, CA 92223
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: Closed
4.7 ★
461 reviews
Nuvia Water Technologies Inc.
170 Vander St B, Corona, CA 92878
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: 9:00 AM – 3:00 PM | Sunday: Closed
4.6 ★
1528 reviews
Western Analytical Laboratories, Inc.
14125 Telephone Ave STE 7, Chino, CA 91710
Monday: 9:00 AM – 5:30 PM | Tuesday: 9:00 AM – 5:30 PM | Wednesday: 9:00 AM – 5:30 PM | Thursday: 9:00 AM – 5:30 PM | Friday: 9:00 AM – 5:30 PM | Saturday: Closed | Sunday: Closed
4 ★
3 reviews
Fidelis Elite Systems
560 Birch St # 6, Lake Elsinore, CA 92530
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: 8:00 AM – 5:00 PM | Sunday: Closed
4.1 ★
461 reviews
Eurofins Environment Testing- Pomona
941 Corporate Center Dr, Pomona, CA 91768
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 ★
8 reviews
Eurofins Eaton Analytical
941 Corporate Center Dr, Pomona, CA 91768
5 ★
1 reviews
Frequently Asked Questions
What should I test my well water for in California?
**CDPH** and **CalEPA** recommend testing annually for coliform bacteria and nitrates at minimum. Given regional contamination history in parts of California, also test for **TCE/PCE**, **hexavalent chromium**, **perchlorate**, and **1,2,3-TCP**, plus lead, arsenic, volatile organic compounds (VOCs), iron, manganese, and pH. Check with **CDPH**, **CalEPA**, and your **county Environmental Health** office for contaminants of concern in your area.
How often should well water be tested in California?
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 California?
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 California?
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.