Fitch Ratings Confirms ‘AA+’ Rating for San Diego County Water Authority

Aerial view of the water infrastructure in San Diego County.

San Diego, December 10, 2025

Fitch Ratings has reaffirmed the ‘AA+’ ratings for the San Diego County Water Authority (SDCWA), which includes $686.1 million in senior lien water revenue bonds. This affirmation highlights the authority’s financial stability and effective management amid ongoing economic challenges. The ratings outlook is stable, reflecting the critical role the SDCWA plays in supporting San Diego County’s infrastructure and economy.

San Diego, CA – Fitch Ratings Affirms ‘AA+’ Rating for San Diego County Water Authority

Fitch Ratings has affirmed the ‘AA+’ ratings for the San Diego County Water Authority (SDCWA), including $686.1 million in senior lien water revenue bonds and other related obligations. The Rating Outlook remains Stable.

This affirmation is a testament to the SDCWA’s commitment to financial stability, especially as the authority continues to manage its obligations effectively. With a role that is integral to San Diego’s infrastructure, this rating reflects the authority’s position as not only a key provider but also an archetype of diligent fiscal management, which plays a critical role in supporting the San Diego County economy.

Key Financial Metrics

  • Leverage Ratio: The SDCWA’s net adjusted debt to adjusted funds available for debt service (FADS) was 7.1x in fiscal 2025, projected to peak at 7.9x in fiscal 2026 before declining over the next five years.
  • Revenue Defensibility: The authority’s fundamental role as the regional water provider to nearly all of San Diego County supports its strong revenue defensibility.
  • Operating Risk Profile: The SDCWA’s operating risk profile is assessed as very strong, reflecting its effective management and operational efficiency.

Considerations for Rating Stability

Maintaining the current ratings will depend on the SDCWA’s ability to manage operating costs and implement revenue adjustments effectively, particularly in the context of relatively flat sales volume. Additionally, potential future costs related to the Metropolitan Water District of Southern California’s (MWD) extensive long-term water supply projects may have implications for the authority’s financial standing, although the specifics remain uncertain.

Background on the San Diego County Water Authority

The SDCWA serves as the regional water provider for nearly all of San Diego County, delivering wholesale water supplies to 22 retail water providers, including cities, special districts, and a military base. With a history characterized by solid financial management, the authority has embarked on critical infrastructure projects aimed at enhancing water reliability throughout the region.

Key Features of the San Diego County Water Authority’s Financial Standing

Feature Details
Rating Affirmation Fitch Ratings has affirmed the ‘AA+’ ratings for the San Diego County Water Authority (SDCWA), including $686.1 million in senior lien water revenue bonds and other related obligations. The Rating Outlook remains Stable.
Leverage Ratio The SDCWA’s net adjusted debt to adjusted funds available for debt service (FADS) was 7.1x in fiscal 2025, projected to peak at 7.9x in fiscal 2026 before declining over the next five years.
Revenue Defensibility The authority’s fundamental role as the regional water provider to nearly all of San Diego County supports its strong revenue defensibility.
Operating Risk Profile The SDCWA’s operating risk profile is assessed as very strong, reflecting its effective management and operational efficiency.
Considerations for Rating Stability Maintaining the current ratings will depend on the SDCWA’s ability to manage operating costs and implement revenue adjustments effectively, especially in the context of relatively flat sales volume. Additionally, potential future costs associated with the Metropolitan Water District of Southern California’s (MWD) large long-term water supply projects may impact the authority’s financial position, though specific details remain uncertain.
Background on the SDCWA The SDCWA serves as the regional water provider for nearly all of San Diego County, delivering wholesale water supplies to 22 retail water providers, including cities, special districts, and a military base. The authority has a history of strong financial management and has undertaken significant infrastructure projects to enhance water reliability in the region.

Frequently Asked Questions (FAQ)

What is the current rating of the San Diego County Water Authority?

Fitch Ratings has affirmed the ‘AA+’ ratings for the San Diego County Water Authority (SDCWA), including $686.1 million in senior lien water revenue bonds and other related obligations. The Rating Outlook remains Stable.

What are the key financial metrics for the SDCWA?

The SDCWA’s net adjusted debt to adjusted funds available for debt service (FADS) was 7.1x in fiscal 2025, projected to peak at 7.9x in fiscal 2026 before declining over the next five years. The authority’s fundamental role as the regional water provider to nearly all of San Diego County supports its strong revenue defensibility. The SDCWA’s operating risk profile is assessed as very strong, reflecting its effective management and operational efficiency.

What factors could affect the SDCWA’s ratings in the future?

Maintaining the current ratings will depend on the SDCWA’s ability to manage operating costs and implement revenue adjustments effectively, especially in the context of relatively flat sales volume. Additionally, potential future costs associated with the Metropolitan Water District of Southern California’s (MWD) large long-term water supply projects may impact the authority’s financial position, though specific details remain uncertain.

What is the role of the San Diego County Water Authority?

The SDCWA serves as the regional water provider for nearly all of San Diego County, delivering wholesale water supplies to 22 retail water providers, including cities, special districts, and a military base. The authority has a history of strong financial management and has undertaken significant infrastructure projects to enhance water reliability in the region.


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