Columbia Cross-Connection Control, LLC
Portland · on 2 utility lists
Company facts
- Address
- Portland
- Phone
- 503-235-6141
- Website
- Not stated on the list
- Listed by
- Clackamas River Water, City of Cornelius
Copied from the utility lists below. Business details only.
On the Clackamas list
On Clackamas River Water's approved list, version undated (PDF created 28 Jul 2026)
- Utility
- Clackamas River Water
- List title
- “Public List Of Backflow Testing Companies” (as printed)
- 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.
On the Cornelius list
On City of Cornelius's approved list, version 2026 (PDF created 24 Sep 2026)
- Utility
- City of Cornelius
- List title
- “Certified Backflow Device Testers” (as printed)
- 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.
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Clackamas River Water. Fetched 2026-11-04 (UTC).
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