Garst v. Tehama County Flood Control & Wat. Conservation Dist.

CourtCalifornia Court of Appeal
DecidedJune 29, 2026
DocketC103356
StatusPublished

This text of Garst v. Tehama County Flood Control & Wat. Conservation Dist. (Garst v. Tehama County Flood Control & Wat. Conservation Dist.) is published on Counsel Stack Legal Research, covering California Court of Appeal primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Garst v. Tehama County Flood Control & Wat. Conservation Dist., (Cal. Ct. App. 2026).

Opinion

Filed 6/29/26 CERTIFIED FOR PUBLICATION

IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA THIRD APPELLATE DISTRICT (Tehama)

DAVID GARST, as Trustee, etc., C103356 Plaintiff and Respondent, (Super. Ct. No. 23CI000079) v.

TEHAMA COUNTY FLOOD CONTROL AND WATER CONSERVATION DISTRICT, Defendant and Appellant.

APPEAL from a judgment of the Superior Court of Tehama County, Bradley L. Boeckman, Judge. Affirmed as modified. Margaret E. Long, County Counsel, Daniel B. Klausner, Deputy County Counsel (Tehama); Colantuono, Highsmith & Whatley, Michael G. Colantuono and Matthew W. McAleer for Defendant and Appellant. Swanson Law Office, Mark D. Norcross, Jeffery J. Swanson and Adam M. Pressman for Plaintiff and Respondent. Best Best & Krieger and Lutfi Kharuf for League of California Cities, California State Association of Counties, and California Special Districts Association as Amici Curiae.

This appeal concerns the validity of a groundwater well registration charge (well registration charge) adopted by the Tehama County Flood Control and Water Conservation District (District) and imposed on every parcel of land in the County of Tehama (County) regardless of whether the property uses groundwater or has a

1 groundwater well. 1 The trial court granted David Garst’s petition for writ of mandate, finding the well registration charge was an unlawful tax and mandating the District to, among other things, refund all collected charges to the taxpayers in the County. The District appeals. The District 2 asserts the well registration charge is a valid regulatory fee (and thus not a tax) under California Constitution 3 article XIII C, section 1, subdivision (e)(3) (article XIII C, section 1(e)(3)). It further raises a myriad of affirmative defenses, the majority of which are premised on the District’s assertion that it adopted the well registration charge under Water Code4 section 10730, subdivision (a) (section 10730(a)) within the Sustainable Groundwater Management Act (§ 10720 et seq.) (the Act). In the alternative, the District argues refunds are procedurally and substantively barred and are not required as a matter of due process. We initially reject the District’s affirmative defenses against Garst’s claims, concluding, in part, the District failed to show that the well registration charge comports with section 10730(a). Next, assuming but not deciding that the District appropriately

1 As explained post, the District’s Resolution No. 9-2022 imposed the well registration charge on every parcel of land in the County. The parties agree, however, that the District at some point decided to collect the charge only on parcels that are larger than five acres. The parties do not refer us to anything in the record showing the District took that action. Because the purported modification as to the District’s collection of the well registration charge is largely immaterial to the arguments presented on appeal and given the record before us, we analyze the arguments based on the District’s resolution imposing the well registration charge on all parcels within the County. 2 The League of California Cities, California State Association of Counties, and California Special Districts Association (collectively amici) filed an amici curiae brief in support of the District’s appeal. 3 Undesignated article references are to the California Constitution.

4 Undesignated section references are to the Water Code.

2 adopted the well registration charge under alternate delegated authority, we consider the constitutionality of the charge. In that regard, we decline to address the parties’ dispute as to whether the analytical framework in article XIII C, as amended by Proposition 26, or article XIII D, added by Proposition 218, applies because resolution of the question is immaterial to the disposition of this appeal. The parties agree that the well registration charge does not fall within the property-related service fee exception in article XIII D, section 3, subdivision (a)(4), and we conclude the District has failed to show that the well registration charge is a regulatory fee within the meaning of article XIII C, section 1(e)(3). As such, we conclude the charge constitutes an unconstitutional tax. We, however, modify the judgment to strike the provision mandating the District to refund the well registration charge because Garst did not comply with the Government Claims Act (Gov. Code, § 810 et seq.). BACKGROUND I The Act The Legislature adopted the Act to regulate “California’s groundwater by identifying its most impacted basins, mandating local agencies govern those basins, requiring those agencies to submit sustainable use plans for state approval, and allowing for state intervention if needed.” (State Water Resources Control Bd. v. Superior Court (2025) 115 Cal.App.5th 734, 750.) The goals of the Act are, among other things, to “establish[] minimum standards for sustainable groundwater management, giv[e] local groundwater authorities the power and support to sustainably manage groundwater, and creat[e] a more efficient and cost-effective groundwater adjudication process that protects water rights, ensures due process, and prevents unnecessary delay.” (Mojave Pistachios, LLC v. Superior Court (2024) 99 Cal.App.5th 605, 616 (Mojave Pistachios), citing § 10720.1.)

3 To meet these goals, the Legislature authorized the creation of groundwater sustainability agencies to develop and create groundwater sustainability plans (§§ 10723- 10724), and granted those agencies several powers, including the power to “require registration of a groundwater extraction facility within the management area of the groundwater sustainability agency” (§ 10725.6). A “[g]roundwater extraction facility” is “a device or method for extracting groundwater from within a basin.” (§ 10721, subd. (h).) II The District as a Groundwater Sustainability Agency A substantial portion of land within the County overlays 11 groundwater subbasins. In 2015, the District became the groundwater sustainability agency for those subbasins. The District thereafter entered into a memorandum of understanding with the County in which the District assumed the responsibility to “perform all groundwater monitoring, regulation setting, and groundwater extraction registration programs” and “pay all costs and recover such costs for its monitoring, regulating, and registration activities.” The District agreed to “either perform or contract for the performance of all groundwater extraction facility registration and groundwater monitoring activities as required under any applicable groundwater sustainability management program.” III The District’s Resolutions and the Litigation In June 2022, the District adopted Resolution No. 9-2022. The resolution states section 10725.6 permits groundwater sustainability agencies to require registration of groundwater extraction facilities within their management areas and the District will incur actual and reasonable costs to receive and process such registrations. The resolution further states section 10730(a) “provides that a groundwater sustainability agency may impose fees for regulated activities to fund the cost of the groundwater sustainability program including but not limited to ‘investigations, inspections,

4 compliance assistance, enforcement, and program administration.’ ” The District resolved that it required groundwater extraction facilities in the County to be registered and imposed an annual charge of $0.29 per acre on each legal parcel of land within the County for three years to pay the administrative costs of a well registration program. The charge would be added to the tax rolls and collected like ordinary ad valorem taxes.

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Garst v. Tehama County Flood Control & Wat. Conservation Dist., Counsel Stack Legal Research, https://law.counselstack.com/opinion/garst-v-tehama-county-flood-control-wat-conservation-dist-calctapp-2026.