Jurupa Valley is split between two water districts, Jurupa Community Services District and Rubidoux Community Services District, so your backflow rules depend on which one serves your address. JCSD runs a Cross-Connection Control and Backflow Prevention Program with an annual test form and certified tester lists. Call the number on this page to be connected with a local plumber in Jurupa Valley.
Two districts, different paperwork
The City of Jurupa Valley names two community services districts for water and sewer: JCSD, founded in 1956 and also serving Eastvale, and Rubidoux CSD. Neither is a city department, and each sets its own customer rules. Your water bill tells you which applies.
For JCSD customers, the district's Cross-Connection Control and Backflow Prevention Program comes from Ordinance No. 468 and Resolution 3469. It requires assemblies on every premises with an auxiliary water supply, such as a private well, and on premises with multiple-use capabilities or more than one service connection. JCSD posts an Annual Backflow Assembly Test Form and lists of certified testers, and its Technical Services staff answer questions at 951-685-7434 ext. 197. Rubidoux CSD sets its own backflow rules; those customers should call RCSD at (951) 684-7580 before scheduling work.
Common jobs compared
| Job | When it comes up | What's involved |
|---|---|---|
| Annual test | District notice or due date on the last report | Gauge test of checks and relief valve, then the district form |
| Rebuild | Failed test, small leak, worn seals | New rubber, springs or seats, then a retest |
| Replacement | Cracked body, outdated model, repeated failures | New assembly, possible permit, then an initial test |
| New install | Second service, extra water source, new irrigation | Sizing, piping and district approval |
Signs to watch
- A letter from JCSD or RCSD with a test due date
- Water running from the relief port when nothing is on
- Low pressure to the yard after work near the meter
- A property with two service connections and no test history
- Corrosion or seepage around test cocks and unions
Seasonal and timing notes
Summer heat drives long irrigation cycles, and a check valve that barely held in spring may let go by August. Plan the annual test before the hottest months if your due date allows. On larger lots with animals, troughs filled by a submerged hose are a classic cross connection; a hose bibb vacuum breaker or an air gap at the trough is a simple fix that keeps trough water out of the house lines. If frost is forecast, cover an exposed assembly overnight, and look it over in the morning for any new weeping at the fittings.
Backflow Testing questions in Jurupa Valley
How do I find out which water provider serves my address?
Does a fire sprinkler line or a second water source change the rules?
Do horse troughs, barns or animal waterers need backflow protection?
Who is allowed to test a backflow assembly?
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