Hayes Backflow Testing and Repair
Dublin, CA 94568 · on 1 utility list
Company facts
- Address
- Dublin, CA 94568
- Phone
- (209) 679-7184
- Website
- Not stated on the list
- Listed by
- Diablo Water District
Copied from the utility lists below. Business details only.
On the Oakley list
On Diablo Water District's approved list, version Effective September 21, 2026
- Utility
- Diablo Water District
- List title
- “List of Certified Backflow Testers” (as printed)
- List date
- 2026-09-21
- Fetched
- 2026-11-04 (UTC)
- Testers
- Company-level list (no tester count)
Open the utility’s own list · The utility’s backflow program page · all companies on this list. Confirm with your utility before booking.
Same name, other place
These listings carry the same name, but no shared ZIP code or phone number links them, so we list them separately. They may or may not be the same business.
- Hayes Backflow Testing & Repair · location not stated
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On the list as ofEffective September 21, 2026
Diablo Water District. Fetched 2026-11-04 (UTC).
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