City water utility · Texas
Backflow testing in Killeen, TX
City of Killeen Water & Sewer's rules: who must test, when it's due, testers, filing and penalties.
Have every backflow assembly in Killeen tested once a year and after any repair, even if you never use it. This includes lawn sprinkler PVBs and RPs. BSI mails the yearly notice, and a state-certified tester files the report with BSI Online. Skip it and the city can shut off your water.
- Who
- Lawn sprinkler systems: every year
- Fire sprinkler lines: every year (some)
- Businesses: every year (some)
- Homes (other than sprinklers): every year (some)
- Other connections: see note (some)
- Due
- Test every year, counted from when the assembly was put in or last repaired.
- Testers
- City of Killeen Water & Sewer's list (online search)
- Filing
- Your tester files online, by email or by mail in BSI Online. No filing fee listed.
- If late
- Water can be shut off. Fine for breaking public health or fire safety rules (each day is a separate offense): Up to $2,000.
Who must have a backflow test
If there is a backflow assembly on your property, have it tested every year, even if you don't use the system. Test it again right after any repair, maintenance or move. New lawn sprinkler systems need a PVB or an RP. Soda machines with a carbonation system need an RP. To stop testing a sprinkler system, you must have it removed completely by a certified plumber or tester.
- Lawn sprinkler systemsRequiredevery year, even if the system is not used
New sprinkler systems need a PVB or an RP. An older double check can stay as long as it passes. Once it fails or needs repair, replace it with a PVB or an RP.
- Fire sprinkler linesSomeevery year
Applies when your fire sprinkler system has a backflow assembly. Only a certified tester who works for a fire sprinkler contractor approved by the state may test or repair it.
- BusinessesSomeevery year
Applies to businesses where the city finds a hazard. Soda machines with carbonation need an RP. Chemical feed systems, car washes, medical and dental offices, labs and plants usually need an RP or an air gap.
- Homes (other than sprinklers)Someevery year
Applies to homes with an assembly on a pool or spa, a fountain or fish pond, a boiler, or a private well. The city's backflow office decides what each home needs.
- Other connectionsSomebefore it connects to city water
Trucks, tanks and other containers that fill from city water need an air gap or a tested assembly. Properties with a second water source or reclaimed water need the protection the city chooses.
Assemblies tested: Reduced pressure assembly (RP or RPZ), Double check valve assembly, Pressure vacuum breaker, Reduced pressure detector assembly (fire lines), Double check detector assembly (fire lines). What these are
Source: killeentexas.gov · checked Oct 18, 2026
When the test is due
Test every year, counted from when the assembly was put in or last repaired. Test again right away after any repair, maintenance or move. If a city inspection finds you need an assembly, you have 30 days from the notice to install it and file a passing test. You can ask in writing for more time, up to 90 days in all.
Notices: Each year Backflow Solutions, Inc. (BSI) mails you a letter for the city saying your test is due. It explains how to find a registered tester and check your test status on the BSI Online website.
Source: library.municode.com · checked Oct 18, 2026
Finding a tester
Look up a registered tester on the BSI Online website named in your yearly test letter, or call BSI's water customer support line for a list of testing companies. The tester must be state certified. Private companies set their own prices, so get a few quotes.
Online search
City of Killeen Water & Sewer does not test assemblies itself; you hire a tester.
Source: killeentexas.gov · checked Oct 18, 2026
Filing the test report
- Who files
- Your tester
- How
- Online, by email or by mail in BSI Online
- Fee
- None listed by the utility
Since July 2023, BSI sends Killeen's yearly test letters and takes the test reports for the city.
Source: killeentexas.gov · checked Oct 18, 2026
If the test is late or fails
If you don't test, repair or report as required, the city can refuse or shut off your water service. Breaking the backflow rules is a Class C misdemeanor. Fines can reach $2,000, and each day can count as a new offense. If a failed assembly can't be fixed right away, the city can stop water through it.
- Fine for breaking public health or fire safety rules (each day is a separate offense): Up to $2,000
Rule: Killeen Code of Ordinances § 30-170
Source: library.municode.com · checked Oct 18, 2026
For testers working in Killeen
Testers must register with City of Killeen Water & Sewer before their reports are accepted.
- Current TCEQ backflow prevention assembly tester license
- Test gauge checked for accuracy when bought and every year after, within 2%
- Test kit serial number on file
- License, certifications and gauge calibration tracked in BSI Online
- Fire lines: must be employed by a fire line contractor approved by the State Fire Marshal's Office
- Keep test reports for 3 years
Register with BSI Online and send your Killeen test reports through its portal. BSI tracks your license, certifications and gauge calibration, so keep them current there. You no longer need to be on the city's own tester list. If a failed assembly can't be fixed right away, tell the city and the customer at once, then in writing within 5 days.
Source: killeentexas.gov · checked Oct 18, 2026
The rules behind it
- Killeen Code of Ordinances, Ch. 30, Art. V, §§ 30-157 to 30-170: Cross-connection control and backflow prevention
- 30 TAC § 290.44(h): State backflow prevention rules for public water systems
- 30 TAC § 290.46(j): Customer service inspections
- 30 TAC § 290.47(i): Hazard table used to choose the assembly type
Contact City of Killeen Water & Sewer
- Program
- Backflow Prevention & Customer Service Division
- Phone
- 254-501-6315
- Run by
- BSI (Backflow Solutions, Inc.) · 888-966-6050
Source: killeentexas.gov · checked Oct 18, 2026
Backflow testing in Killeen: questions
Do I need a backflow test for my sprinkler system in Killeen?
Yes. City of Killeen Water & Sewer requires backflow assemblies on lawn sprinkler systems to be tested every year, even if the system is not used. New sprinkler systems need a PVB or an RP. An older double check can stay as long as it passes. Once it fails or needs repair, replace it with a PVB or an RP.
When is my backflow test due in Killeen?
Test every year, counted from when the assembly was put in or last repaired. Test again right away after any repair, maintenance or move. If a city inspection finds you need an assembly, you have 30 days from the notice to install it and file a passing test. You can ask in writing for more time, up to 90 days in all. Each year Backflow Solutions, Inc. (BSI) mails you a letter for the city saying your test is due. It explains how to find a registered tester and check your test status on the BSI Online website.
How do I find a backflow tester in Killeen?
Look up a registered tester on the BSI Online website named in your yearly test letter, or call BSI's water customer support line for a list of testing companies. The tester must be state certified. Private companies set their own prices, so get a few quotes.
Who sends the backflow test report to City of Killeen Water & Sewer?
Your tester files the test report in BSI Online. Since July 2023, BSI sends Killeen's yearly test letters and takes the test reports for the city.
What happens if I skip my backflow test in Killeen?
If you don't test, repair or report as required, the city can refuse or shut off your water service. Breaking the backflow rules is a Class C misdemeanor. Fines can reach $2,000, and each day can count as a new offense. If a failed assembly can't be fixed right away, the city can stop water through it.
Every fact on this page comes from City of Killeen Water & Sewer's own pages, forms or code, checked Oct 18, 2026. Rules change: your notice and the utility have the final word. Spot a mistake? Tell us.