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Rialto, CA Water Use Rules: Recycled Water Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing chapter
RMC Ch. 12.32, Recycled Water
Delivery rule
Service provided where available in retail area
Objection window
30 days from conversion notice
Non-conversion surcharge
50% of highest potable rate
Recycled irrigation rate
90% of potable irrigation rate
Retrofit loan term
Up to 10 years, city rate

Summary

Rialto Utility Authority delivers recycled water under RMC 12.32.070 to customers inside its retail service boundaries, and the city can extend service to other agencies or private retailers whose territory sits outside that boundary. Customers must be ready to accept delivery either through a direct city connection or via a retail agency's own distribution system.

The Rialto utility authority will provide recycled water service, where available, to customers within its retail water service boundaries. The city of Rialto may provide recycled water service for certain other municipal agencies or private water retail companies whose service area/property falls outside of Rialto's service area. The customer shall be prepared to accept recycled water service from the Rialto utility authority or a retail water agency. Depending on the location of a given property, the city of Rialto and/or the retail water agency shall determine the method for delivery of recycled water; it may be provided through a direct connection to the city's recycled water system within the retail water agency's service area, or through a connection to the retail water agency's own local distribution system.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 39).

Full Breakdown

040), which the city council updates by resolution at least every five years. 060 limits the program to the Rialto Utility Authority's legal service area unless the city council and Utility Authority expressly approve extending service to outside land. 070 then sets the actual delivery rule: the Utility Authority provides recycled water 'where available' to customers within its retail boundaries, and the city may also serve other municipal agencies or private water retailers whose territory falls outside Rialto's own service area. The customer must be prepared to accept service either through a direct connection to the city's recycled water distribution system or through the retail agency's local distribution system, with the city or retail agency deciding which method applies based on the property's location.

090 the city engineer can review any parcel for suitability, notify the owner, and require conversion within a set schedule, subject to a 30-day objection period and an appeal path first to the director of public works and then to the city administrator. 120 equal to fifty percent of the Utility Authority's highest potable water rate applied to potable water used on site. 150 sets their rate at ninety percent of the potable irrigation rate, as the Utility Authority revises it from time to time.

130, though the city offers technical assistance and, at its discretion, financing for up to a ten-year loan term at the city's own borrowing rate.

Violations & Fines

Refusing a required conversion after a final determination triggers a fifty percent surcharge on potable water usage at the site under RMC 12.32.120, billed by the Rialto Utility Authority on top of the normal potable rate. A customer contesting a conversion order must file a written objection within thirty days of notice or the preliminary determination becomes final automatically; staff review can confirm, modify, or abandon the determination, and the customer may then appeal first to the director of public works and, if still unsatisfied, to the city administrator.

Frequently Asked Questions

Can Rialto force my property onto recycled water?
Yes, if the city engineer determines your parcel is suitable under RMC 12.32.090 and recycled water is or will be available. You get written notice and thirty days to apply for conversion, show conversion isn't feasible, or show it would harm a water right or public health.
What happens if I don't switch after being notified?
Under RMC 12.32.120, the Rialto Utility Authority adds a surcharge equal to fifty percent of its highest potable water rate onto the potable water you keep using at that site, on top of your regular bill.
Is recycled water cheaper than potable water for irrigation?
Yes. RMC 12.32.150 sets the recycled water rate for customers in the Utility Authority's service area at ninety percent of the established potable irrigation rate, adjusted as the Utility Authority revises rates over time.

Sources & Official References

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