19 Cal. App. 5th 1176
Cal. Ct. App. 5th2018Background
- Ventura River watershed contains endangered Southern California steelhead; summer flows in Reaches 3–4 dropped to levels that impair habitat.
- City of San Buenaventura (City) has diverted water since 1870 under vested water rights; Channelkeeper sued (declaratory relief + writs against State Board) alleging the City’s summer diversions are unreasonable under Cal. Const. art. X, § 2 and harm public trust resources.
- City answered and filed a First Amended Cross‑Complaint against numerous other water users (named and Doe), alleging their extractions and diversions are hydrologically connected and contribute to low flows, seeking to limit their use and obtain a physical solution.
- Trial court struck the Cross‑Complaint, ruling Channelkeeper’s claim concerned only the City and did not implicate a property right or require joining other users.
- Court of Appeal reversed: cross‑complaint was proper both because the dispute arises from a common ‘‘transaction’’ (diversions causing low flows) and because both pleadings concern the same property interest (the right to use water), so other users must be includable; case remanded.
Issues
| Issue | Channelkeeper (Plaintiff) argument | City (Defendant/Cross‑complainant) argument | Held |
|---|---|---|---|
| Whether the City may cross‑complain against other watershed users under Code Civ. Proc. § 428.10(b)’s "same transaction" prong | The Complaint targets only the City’s reasonableness; other users are not necessary; Channelkeeper can proceed only against the party it deems liable | The relevant transaction is the use/diversion of Ventura River water affecting summer flow; other users’ withdrawals are part of that same transaction and may affect reasonableness | Reversed: cross‑complaint arises from the same transaction (diversions producing low flows); trial court erred in striking it |
| Whether the City may cross‑complain under § 428.10(b)’s "property" (claim in property/controversy) prong | No property right in the unreasonable use of water, so Complaint does not implicate a property interest permitting cross‑claims | City asserts vested water rights in the same water; cross‑complaint seeks to protect those rights by limiting others’ withdrawals | Reversed: both pleadings concern the extent of property rights to the same water; cross‑complaint allowed |
| Whether reasonableness can be adjudicated without joining other water users | Reasonableness can be assessed water‑right‑by‑water‑right; Board could later allocate quantities | The factual claim of insufficient flow depends on cumulative withdrawals; cannot determine reasonableness of City alone without considering others | Court held trial court wrongly refused joinder; other users may be necessary to determine reasonableness and protect priority rules |
| Whether judicial economy justifies striking broad cross‑complaint | Court should limit parties to those strictly necessary to plaintiff’s requested relief | Even if court can sequence issues, broad joinder is permissible and preferable to avoid piecemeal or unfair outcomes | Trial court cannot bar the City from cross‑complaining; sequencing or separate trials remain available to manage process |
Key Cases Cited
- Joslin v. Marin Mun. Water Dist., 67 Cal.2d 132 (establishes no property right in an unreasonable use of water)
- National Audubon Soc. v. Superior Court, 33 Cal.3d 419 (public trust doctrine limits diversions that harm environmental/public trust uses)
- United States v. State Water Resources Control Bd., 182 Cal.App.3d 82 (discusses riparian/appropriative systems and vested water rights)
- El Dorado Irrigation Dist. v. State Water Resources Control Bd., 142 Cal.App.4th 937 (rule of reasonableness can override priority but priority should be respected; Board may need to include junior appropriators)
- American Motorcycle Assn. v. Superior Court, 20 Cal.3d 578 (permitting broad cross‑complaints against concurrent tortfeasors; liberal joinder principles)
- Hanes v. Coffee, 212 Cal. 777 (transactional test for cross‑pleadings: facts, not form, define the transaction)
- Light v. State Water Resources Control Bd., 226 Cal.App.4th 1463 (reasonableness context for regulatory action; recognizes role of priority and systemwide considerations)
- Tulare Irrigation Dist. v. Lindsay‑Strathmore Irrigation Dist., 3 Cal.2d 489 (examples of per se unreasonable uses)
- Forni v. State Water Resources Control Bd., 54 Cal.App.3d 743 (Board enforcement against multiple users for unreasonable frost‑protection diversions)
- Long Valley Creek Stream Sys., 25 Cal.3d 339 (reasonableness of riparian use requires considering needs of all in the stream system)
