Looking for a backflow tester in Collingswood, NJ? Describe your project once and up to five certified backflow testers who work in Collingswood and Camden County get back to you with a quote. It's free and there is no obligation.
Collingswood is home to about 14,344 people (2024 Census Bureau estimate), a growing community (+1.1% since 2020). With 7,838 people per sq mi, it is a densely built-up area. Businesses, irrigation systems and multifamily buildings here must test their backflow assemblies every year.
Collingswood at a glance
- Population (Census Bureau estimate, 2024)
- 14,344 (+1.1% since 2020)
- Rank in New Jersey
- 75th of 323 cities and towns
- Land area
- 1.8 sq mi
- Population density
- 7,838 people per sq mi (densely built-up)
- Type
- Borough (Collingswood borough)
- Main county
- Camden County
What to check before hiring in Collingswood
- Approved list: check your utility's list of certified testers.
- Report: ask the tester to file the report with the utility and send you a copy.
- Failed test: repairs are done by a licensed plumber, followed by a retest.
- Price drivers: number and size of devices, repairs and access.
Useful official resources
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ABPA: American Backflow Prevention Association
Official information and guidance.
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IAPMO: plumbing codes
Official information and guidance.
Services available in Collingswood
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Annual backflow test
Test of backflow prevention assemblies with the report filed with the water utility.
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Backflow repair or installation
Repair of a failed assembly or installation of a new one by a licensed plumber.
Frequently asked questions in Collingswood
How much does backflow testing cost in Collingswood, NJ?
It depends on the number and size of devices. Describe your property: testers who serve Collingswood reply with a quote.
How long does a test take?
Usually under an hour per device.
Will my water be turned off?
Briefly, during the test.
Which certified backflow testers will contact me?
Up to five independent certified backflow testers who serve Collingswood and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.