Backflow tests completed in the City of Bel Aire must use a City of Bel Aire Backflow test form. Other cities’ forms will not be accepted. Forms are available online and at Bel Aire City Hall. Test results may be emailed to email@example.com or mailed to Bel Aire City Hall, Attn: Backflow, 7651 E Central Park Ave, Bel Aire, KS 67226, or faxed to (316) 744-3739. Backflow tests are typically filed by the contractor.