BackflowNear Test-Due Reminder

Backflow testing in Clackamas, OR

46 backflow testing businesses work within 25 miles of Clackamas, 4 of them based in town. 41 have testers on Oregon's roster and 5 are on the approved tester list of Clackamas River Water and City of Gresham.

46 businesses within 25 miles
6 for-hire testers based in Clackamas

Certified backflow testers near Clackamas

MP Plumbing

90/100
✓ OR Certified Backflow Tester Verified #BAT-1128 ★ 4.6 (202 reviews) 3 certified testers Backflow Testing

15330 SE 82nd Dr, Clackamas, OR 97015 · under 1 mile from Clackamas

Call (503) 655-9161 Details Website

Verified Oct 2026 · Unclaimed listing

Detemple Company Inc

90/100
✓ OR Certified Backflow Tester Verified #BAT-543650 ★ 3.9 (52 reviews) 2 certified testers Backflow Testing

4287 SE International Way Ste a, Milwaukie, OR 97222 · 3 mi from Clackamas

Call (503) 849-8115 Details Website

Verified Oct 2026 · Unclaimed listing

JH Kelly

90/100
✓ OR Certified Backflow Tester Verified #BAT-4699 ★ 2.9 (51 reviews) Backflow Testing

2000 SE Hanna Harvester Dr, Milwaukie, OR 97222 · 4 mi from Clackamas

Call (503) 656-7400 Details Website

Verified Oct 2026 · Unclaimed listing

Flow Forward

90/100
✓ OR Certified Backflow Tester Verified #BAT-403645 Backflow Testing

6269 Belmont Way, West Linn, OR 97068 · 5 mi from Clackamas

Call (971) 666-0985 Details Website

Verified Oct 2026 · Unclaimed listing

WyEast Gardens

90/100
✓ OR Certified Backflow Tester Verified #BAT-585284 ★ 5 (94 reviews) Backflow Testing

23202 SE Hoffmeister Rd, Damascus, OR 97089 · 7 mi from Clackamas

Call (503) 964-3213 Details Website

Verified Oct 2026 · Unclaimed listing

Delta Fire Inc

90/100
✓ OR Utility-Approved Tester Verified ★ 3.5 (8 reviews) On Clackamas River Water list Backflow Testing

14795 SW 72nd Ave, Portland, OR 97224 · 9 mi from Clackamas

Call (503) 620-4020 Details Website

Verified Oct 2026 · Unclaimed listing

Perfect Flush

90/100
✓ OR Certified Backflow Tester Verified #BAT-33872 ★ 4.9 (320 reviews) Backflow Testing

139 NW 2nd St, Gresham, OR 97030 · 9 mi from Clackamas

Call (503) 901-2848 Details Website

Verified Oct 2026 · Unclaimed listing

PDX Fire Protection, LLC

80/100
✓ OR Certified Backflow Tester Verified #BAT-317361 ★ 4.6 (11 reviews) Backflow Testing

15844 SE 114th Ave, Clackamas, OR 97015 · 1 mi from Clackamas

Call (503) 305-7304 Details

Verified Oct 2026 · Unclaimed listing

Ackerman Plumbing Services

80/100
✓ OR Utility-Approved Tester Verified ★ 4.5 (6 reviews) On City of Gresham list Backflow Testing

4040 SE International Way e104, Milwaukie, OR 97222 · 3 mi from Clackamas

Call (503) 698-2211 Details

Verified Oct 2026 · Unclaimed listing

Aqua Tech

80/100
✓ OR Certified Backflow Tester Verified #BAT-5696 ★ 4.9 (11 reviews) Backflow Testing

3439 NE Sandy Blvd #836, Portland, OR 97232 · 9 mi from Clackamas

Call (971) 570-4039 Details

Verified Oct 2026 · Unclaimed listing

United Fire

100/100
✓ OR Certified Backflow Tester Verified #BAT-5707 ★ 4.9 (481 reviews) 2 certified testers Backflow Testing

4611 NE Martin Luther King Jr Blvd, Portland, OR 97211 · 11 mi from Clackamas

Call (503) 249-0771 Details Website

Verified Oct 2026 · Unclaimed listing

Bens Backflow, LLC

90/100
✓ OR Certified Backflow Tester Verified #BAT-6622 ★ 5 (12 reviews) Backflow Testing

21641 SE Happiness Hill Ln, Eagle Creek, OR 97022 · 11 mi from Clackamas

Call (503) 351-0266 Details Website

Verified Oct 2026 · Unclaimed listing

Dynamic Backflow

90/100
✓ OR Certified Backflow Tester Verified #BAT-5119 ★ 4 (14 reviews) Backflow Testing

29333 Town Center Loop E #610, Wilsonville, OR 97070 · 12 mi from Clackamas

Call (971) 983-9456 Details Website

Verified Oct 2026 · Unclaimed listing

Afp Sys

90/100
✓ OR Utility-Approved Tester Verified ★ 4.8 (23 reviews) On Clackamas River Water list Backflow Testing

19435 SW 129th Ave, Tualatin, OR 97062 · 12 mi from Clackamas

Call (503) 692-9284 Details Website

Verified Oct 2026 · Unclaimed listing

Basic Fire Protection

90/100
✓ OR Certified Backflow Tester Verified #BAT-175423 ★ 2.4 (8 reviews) 2 certified testers Backflow Testing

8135 NE Martin Luther King Jr Blvd, Portland, OR 97211 · 13 mi from Clackamas

Call (503) 285-1855 Details Website

Verified Oct 2026 · Unclaimed listing

Clackamas River Water: backflow test rules

  • Who must test. Backflow prevention assemblies must be tested at least annually by a State certified tester; cross connections include lawn sprinklers, fire sprinklers, and auxiliary private water systems. Source.
  • Notices and deadlines. Under CRW Ordinance 01-2015, assemblies are tested at the customer's expense at least once a year on a date set by CRW, and a copy of the test results must be supplied to CRW by the tester or customer. Source.
  • How the report is filed. CRW has joined SwiftComply for backflow data tracking and test report submissions and encourages testers to register, ahead of mandatory online test report entry into its SwiftComply database. Source.
  • Tester registration. CRW encourages all backflow test companies and testers to register with SwiftComply (registration form at sc-tester.com), which will allow future mandatory online report entry. Source.
  • Approved testers. CRW links a Public List Of Backflow Testing Companies. Format PDF. Not downloaded. Source.

Everything about Clackamas River Water's backflow program

Never miss your annual backflow test

Most water utilities require the backflow assembly on an irrigation, fire or commercial line to be tested every year, and a missed test can mean a shutoff notice. Tell us when yours was last tested in Clackamas and we'll text you a month before it is due, with certified local testers ready to book.

Free. One text before your test is due. No spam, cancel anytime. Privacy

Backflow testing questions in Clackamas

Who can test a backflow preventer in Clackamas?

A tester certified by Oregon Health Authority. Your water utility may also keep its own list of testers allowed to file reports. In Clackamas, see Clackamas River Water's rules below.

How many certified backflow testers are based in Clackamas?

6 testers who test for the public list Clackamas as their base on Oregon's roster, and 46 testing businesses are within 25 miles.

How often do I need a backflow test?

Most utilities require a test when the assembly is installed and then every year. Your utility's notice gives the due date and how the tester files the report.

Roster: Oregon Health Authority, read October 6, 2026.

Approved list: EWEB backflow tester list, Eugene Water & Electric Board.

Approved list: Clackamas River Water public list of backflow testing companies, Clackamas River Water.

Approved list: City of Gresham backflow tester list, City of Gresham Environmental Services.

Keep looking

Find a tester Set reminder