Which backflow assemblies and standards does BackflowProof support?

BackflowProof evaluates RPZ, DCVA, PVB, and SVB assemblies against ASSE 5110 differential pressure floors and tracks annual test gauge calibration dates.

How much does BackflowProof cost?

BackflowProof is a flat $19/mo for up to 5 testers with unlimited assembly records and zero per-report submission fees.

BackflowProof

Opening the test desk…

WATER-DISTRICT ROUTE & ASSE 5110 WORKSPACE

Primary BPAT: Marcus Vance (BPAT-88412) · Test Kit: Mid-West 845-5 (#MW-99214)

+ Log Assembly Test

Purveyor:

Assemblies on Route: 4 · Purveyor Districts: 2

District-Report Filing Queue

1 pending

Tests passed on-site · Awaiting formal water purveyor submission

ASSE PASSWatts 009 (S/N #W009-88124, 2" RPZ)

Cascade Plaza Commerce · Purveyor: City Water District #4 · Tested Oct 27, 2026 by Marcus Vance

Readings: Line 68 PSI · CK1 7.2 psid · CK2 2.1 psid · Relief 3.4 psid · Shutoff #2 Tight

Water-District Route & Assembly Roster

ASSE 5110 Evaluation Engine Active · 335-Day Retest Logic

City Water District #4 Route

3 valves

Annual 335d Advance Retest Recall

DCVAlow hazard

Ames 2000SS · Serial #AM-44910 · 4"

Cascade Plaza Commerce · 1200 Commercial Way, Portland · Fire riser room east corridor

District: City Water District #4 · Line Pressure: 65 PSI

Assigned Tester: Sarah Chen (BPAT-91024) · Kit: Watts TK-9A (#TK-44102)

LOCKED_GAUGE_EXPIREDLast Test: Not yet testedNext Due: Sep 27, 2027 (335-day recall)

Check #1 DifferentialFloor: 1.0 PSID

2.2 PSID

Check #2 DifferentialFloor: 1.0 PSID

2.0 PSID

Relief Valve OpeningFloor: 2.0 PSID

0.0 PSID

Tiered Fee: $125.00 ($125.00 >2" commercial)

🔒 Tester gauge calibration is expired (expired 2026-09-22). Cannot sign compliance report.

RPZhigh hazard

Watts 009 · Serial #W009-88124 · 2"

Cascade Plaza Commerce · 1200 Commercial Way, Portland · Main domestic water vault front parking lot

District: City Water District #4 · Line Pressure: 68 PSI

Assigned Tester: Marcus Vance (BPAT-88412) · Kit: Mid-West 845-5 (#MW-99214)

ASSE 5110 PASSLast Test: Oct 27, 2026Next Due: Sep 27, 2027 (335-day recall)

Check #1 DifferentialFloor: 5.0 PSID

7.2 PSID

Check #2 DifferentialFloor: 1.0 PSID

2.1 PSID

Relief Valve OpeningFloor: 2.0 PSID

3.4 PSID

Tiered Fee: $65.00 ($65.00 <=2" standard)

Open test →

RPZhigh hazard

Wilkins 975XL · Serial #W975-5531 · 0.75"

Riverfront Cafe & Bakery · 44 Water St, Portland · Basement dry storage near soda carbonators

District: City Water District #4 · Line Pressure: 65 PSI

Assigned Tester: Marcus Vance (BPAT-88412) · Kit: Mid-West 845-5 (#MW-99214)

ASSE 5110 PASSLast Test: Not yet testedNext Due: Sep 27, 2027 (335-day recall)

Check #1 DifferentialFloor: 5.0 PSID

6.8 PSID

Check #2 DifferentialFloor: 1.0 PSID

2.0 PSID

Relief Valve OpeningFloor: 2.0 PSID

2.6 PSID

Tiered Fee: $65.00 ($65.00 <=2" standard)

Open test →

County Water Utility #2 Route

1 valve

Annual 335d Advance Retest Recall

PVBlow hazard

Febco 765 · Serial #FB-10492 · 1.5"

Green Valley Golf Club · 880 Fairway Drive, Portland · Clubhouse south backflow cage behind 9th green

District: County Water Utility #2 · Line Pressure: 65 PSI

Assigned Tester: Marcus Vance (BPAT-88412) · Kit: Mid-West 845-5 (#MW-99214)

ASSE 5110 PASSLast Test: Sep 1, 2026Next Due: Aug 2, 2027 (335-day recall)

Check #1 DifferentialFloor: 1.0 PSID

2.2 PSID

Air Inlet OpeningFloor: 1.0 PSID

1.8 PSID

Relief Valve OpeningFloor: 2.0 PSID

0.0 PSID

Tiered Fee: $65.00 ($65.00 <=2" standard)

Open test →