Olde Stockdale Water Systems: Three Similar Names Have Different State IDs

OLDE STOCKDALE, Kern County — November 10, 2026. A neighborhood name alone is not a reliable way to find the drinking-water report for a home. California’s State Water Resources Control Board public water systems directory identifies at least three separate Kern County utilities with “Stockdale” in their names. They are not interchangeable, and their sampling records or customer contacts should not be combined.

Three different regulatory system identifiers

The state registry lists Stockdale Annex Mutual Water (CA1500211), Stockdale Mutual Water Company (CA1500349), and Stockdale Ranchos Mutual Water Company (CA1500557). All are listed as groundwater-source systems. They have different public-water-system identifiers, meaning a result or advisory filed against one provider cannot be automatically attributed to the other two.

Olde Stockdale has its own federal census-designated boundary, but that geography need not correspond exactly to any mutual water company’s territory. Residents should use their service address, current bill and account paperwork when determining the actual provider.

Why older testing lists require caution

California’s 2022 drinking-water monitoring general-order exhibit names individual source wells for Stockdale Annex and Stockdale Mutual. Appearance on a monitoring list is not proof that PFAS was detected, exceeded a limit or remains in current drinking water. Sample results, dates, units and state regulatory standards must be examined separately.

How to find the correct report

Identify the full utility name and state system number, then search the state Drinking Water Watch directory for its Consumer Confidence Report, monitoring results and any active notices. For a property purchase, ask the seller and utility whether service is available and whether ownership or account-transfer documents are required. Do not rely on a general neighborhood map or assume a nearby company’s rates apply to a different system.

Primary sources: California State Water Resources Control Board, Kern County Water Systems directory and 2022 monitoring general-order exhibit. Reviewed November 10, 2026. No property-specific service or current water-quality determination is made.

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