Case Study · Water Conservation
Royal Garden Apartments
A LADWP-funded retrofit at a 56-unit Van Nuys building — 84 high-efficiency toilets replaced, 44% water reduction, 128,772 gallons saved every year. Zero cost to the property.
56-unit multifamily retrofit in Van Nuys
Planet Optima replaced every low-efficiency toilet at 7350 Kester Ave — an 84-fixture retrofit under the LADWP / MWD High-Efficiency Toilet Rebate program. 1.6 GPF fixtures were swapped for 0.9 GPF WaterSense-certified units. The work was completed on June 30, 2023, with no disruption to residents.
LADWP covered 100% of equipment, installation, and removal. The property owner signed a single authorization form; Planet Optima handled eligibility, paperwork, scheduling, and rebate processing.
Project Details
- Client: Royal Garden Apartments
- Location: 7350 Kester Ave, Van Nuys, CA 91405
- Units: 56
- Fixtures replaced: 84
- Before: 1.6 GPF
- After: 0.9 GPF (WaterSense-certified)
- Completed: June 30, 2023
- Program: LADWP / MWD High-Efficiency Toilet Rebate
Monthly Usage — Before vs. After
Every figure pulled from actual LADWP billing data. No estimates, no projections.
1.6 GPF · 12-month baseline
0.9 GPF WaterSense
10,732 gal/month saved
Largest savings occurred during Winter and Spring months, coinciding with peak occupancy.
What 128,772 Gallons Means
The same water saved each year, put in everyday terms.
Turnkey installation, zero out-of-pocket
Planet Optima handled every step of the retrofit — from LADWP application to final rebate processing. The property owner approved the scope and signed one form. No plumbing coordination, no tenant letters, no invoices.
Work Performed
- Toilet fixture replacement (84 units)
- Angle stops and supply lines replaced as needed
- Flange repair where needed
- Removal and disposal of old fixtures
- LADWP rebate paperwork, submission, and follow-up
- Tenant notification and installation coordination
Verified Results Across Los Angeles
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