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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 verified providers · Updated 2026-04-16

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1

Fastest Labs of San Bernardino

5.0 ★ (659 reviews)

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2

General Pump Company

2.0 ★ (4 reviews)

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3

Inland Water Services

4.2 ★ (5 reviews)

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1

Fastest Labs of San Bernardino

5.0 (659 reviews)
955 N D St, San Bernardino, CA 92410
Mon–Fri 9am–5pm · Sat–Sun Closed
2

General Pump Company

2.0 (4 reviews)
1324 W Rialto Ave, San Bernardino, CA 92410
Mon–Fri 7am–4pm · Sat–Sun Closed
3

Inland Water Services

4.2 (5 reviews)
939 Reece St, San Bernardino, CA 92411
Mon–Fri 7:30am–4pm · Sat 8am–12pm · Sun Closed
4

Brickley Environmental

4.3 (12 reviews)
957 Reece St, San Bernardino, CA 92411
Mon–Fri 7am–4pm · Sat–Sun Closed
5

California Pumping & Sanitation, Inc

4.5 (294 reviews)
1057 S Washington Ave, San Bernardino, CA 92408
Open 24 Hours
6

Labcorp

2.6 (212 reviews)
401 E Highland Ave # 252, San Bernardino, CA 92404
Mon–Fri 7am–3pm · Sat–Sun Closed
7

Green Planet Restoration San Bernardino

4.8 (42 reviews)
473 E Carnegie Dr, San Bernardino, CA 92408
Open 24 Hours
8

BSK Associates

5.0 (1 reviews)
350 E Commercial Rd #110, San Bernardino, CA 92408
Mon–Fri 8am–5pm · Sat–Sun Closed
9

THE ABSOLUTE WATER & OTHER SER

4.9 (66 reviews)
1091 S Mt Vernon Ave unit e, Colton, CA 92324
Mon–Fri 10am–6pm · Sat–Sun Closed
10

Loma Linda University Medical Center Laboratory Collection Center

4.4 (106 reviews)
11370 Anderson St Ste 1400, Loma Linda, CA 92354
Mon–Thu 5:30am–5pm · Fri 5:30am–3pm · Sat Closed · Sun 7am–12:3…
11

Unwaveringsolutions.com

5.0 (12 reviews)
219 S Riverside Ave #135, Rialto, CA 92376
Mon–Sat 8am–8pm · Sun 10am–6pm
12

Clinical Laboratory of San Bernardino

4.3 (14 reviews)
21881 Barton Rd, Grand Terrace, CA 92313
Mon–Fri 8am–5pm · Sat–Sun 8:30–11:30am
13

Lifetime Solutions

4.8 (177 reviews)
Unit E2, 1299 Columbia Ave, RIVERSIDE
Mon–Fri 8:30am–5pm · Sat–Sun Closed
14

The Water Zen (Alkaline Water)

4.8 (161 reviews)
9810 Sierra Ave. B, Fontana, CA 92335
Mon–Sun 8:30am–7pm
15

Babcock Laboratories

4.1 (39 reviews)
6100 Quail Valley Ct, Riverside, CA 92507
Mon–Fri 8am–5pm · Sat–Sun Closed
16

Coast Water System

4.0 (70 reviews)
10466 Redwood Ave, Fontana, CA 92337
Mon–Fri 9am–6pm · Sat–Sun Closed
17

Hague Quality Water Of The Inland Empire

5.0 (14 reviews)
7171 Jurupa Ave STE 28, Riverside, CA 92504
Mon–Fri 8am–9pm · Sat 8am–1pm · Sun Closed
18

Culligan Water of Ontario

4.7 (789 reviews)
1925 Burgundy Pl, Ontario, CA 91761
Mon–Fri 9am–5pm · Sat–Sun Closed
19

Advanced Chemical Service Inc.

3.5 (4 reviews)
9800 Indiana Ave #1, Riverside, CA 92503
Mon–Fri 7am–3pm · Sat–Sun Closed
20

Sedna Water Co.

4.9 (177 reviews)
7828 Haven Ave, Rancho Cucamonga, CA 91730
Mon–Sat 9am–6pm · Sun Closed
21

Fenestration Testing Lab (FTL)

4.5 (4 reviews)
10235 8th St, Rancho Cucamonga, CA 91730
Mon–Fri 8am–4pm · Sat–Sun Closed
22

Diamond Pure Water Filtration

4.3 (28 reviews)
9155 Archibald Ave #303, Rancho Cucamonga, CA 91730
Mon–Fri 8am–6pm · Sat 8am–2pm · Sun Closed
23

Aqua-Metric Sales Company

5.0 (2 reviews)
4050 Flat Rock Rd, Riverside, CA 92505
Mon–Fri 7:30am–4:30pm · Sat–Sun Closed
24

be safe water

385 Richey Cir, Corona, CA 92879
25

Waterrific

5.0 (59 reviews)
765 N Main St, Corona, CA 92878
Mon–Fri 9am–6am · Sat 10am–4am · Sun Closed
26

Select Source Water

4.7 (461 reviews)
790 Beaumont Ave # 124, Beaumont, CA 92223
Mon–Sat 8am–8pm · Sun Closed
27

Nuvia Water Technologies Inc.

4.6 (1,528 reviews)
170 Vander St B, Corona, CA 92878
Mon–Fri 8am–9pm · Sat 9am–3pm · Sun Closed
28

Western Analytical Laboratories, Inc.

4.0 (3 reviews)
14125 Telephone Ave STE 7, Chino, CA 91710
Mon–Fri 9am–5:30pm · Sat–Sun Closed
29

Fidelis Elite Systems

4.1 (461 reviews)
560 Birch St # 6, Lake Elsinore, CA 92530
Mon–Sat 8am–5pm · Sun Closed
30

Eurofins Environment Testing- Pomona

4.6 (8 reviews)
941 Corporate Center Dr, Pomona, CA 91768
Mon–Fri 8am–5pm · Sat–Sun Closed
31

Eurofins Eaton Analytical

5.0 (1 reviews)
941 Corporate Center Dr, Pomona, CA 91768

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.

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