WATER INFRASTRUCTURE

Engineering Resilience: How Modern Water Infrastructure Protects Our Communities

Water infrastructure is largely invisible — until it fails.

When a reservoir shows signs of distress or a pipeline breaks, the systems we rarely think about quickly become urgent. At WHB Engineers, we believe resilience isn’t just about reacting to failure. It’s about building and maintaining systems that can quietly do their job for decades to come.

Because when water infrastructure performs well, it protects everything else.

Aging Assets, Rising Demands

Throughout California and the West, many municipalities are relying on water infrastructure built in the mid-20th century. Reservoirs, tanks, and pipelines have performed beyond expectations, but age and wear are catching up.

At the same time, water systems now face greater demands. Seismic vulnerability, prolonged droughts, increased population, and evolving water quality standards are all putting pressure on infrastructure that was never designed for today’s realities.

City leaders are left with a complex task: keep essential water systems running safely and reliably, while balancing costs, compliance, and long-term sustainability.

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Aging Infrastructure

Mid-20th century tanks and reservoirs reaching end of design life

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Greater Demands

Drought, seismic risk, population growth, and tighter water quality standards

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Complex Trade-offs

Balancing safety, compliance, costs, and long-term sustainability

WHB's Engineering Approach to Water Resilience

Resilience isn’t a single fix — it’s a mindset applied across systems, components, and communities. At WHB, we specialize in helping cities take a proactive, strategic approach to upgrading and protecting their water infrastructure.

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Seismic assessments and retrofits

Evaluating structural vulnerabilities and designing upgrades that protect against earthquakes and other natural hazards.

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Tank and reservoir rehabilitation

Restoring prestressed and welded steel tanks through structural repair, coating replacement, and access improvements.

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Condition surveys and replacement programs

Taking stock of current assets, and catching problems before they become big issues.

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System-wide planning

Using modeling, asset condition analysis, and lifecycle cost evaluations to support phased investments that extend infrastructure lifespan and service reliability.

Example: Reservoir No. 2, City of Upland

A recent project in the City of Upland shows this approach in action. WHB Engineers was engaged to rehabilitate Reservoir No. 2, a prestressed concrete tank that plays a key role in the city’s water distribution network.

We began with a thorough condition assessment, followed by design and implementation of structural repairs, seismic upgrades, and internal re-coating. The project was completed while maintaining system operations, giving the city renewed reliability without the disruption of full replacement.

It’s one of several projects where targeted upgrades delivered long-term community value.

What We Delivered

✅ Thorough condition assessment of existing prestressed concrete tank
✅ Structural repairs and seismic upgrades
✅ Full internal re-coating for extended service life
✅ Zero service interruption — system kept running throughout construction
✅ Long-term community value through targeted, cost-effective upgrades

Beyond Infrastructure: Why Water Resilience Matters

Water infrastructure isn’t just concrete and pipework. It’s the foundation of public health, fire protection, economic development, and everyday life.

At WHB Engineers, we see every tank, reservoir, and pipeline as a critical link in a much larger system — one that must be built not only to function, but to last. That’s why our focus is on long-term performance, risk reduction, and thoughtful reinvestment.

“A reliable water system isn’t just a utility — it’s a promise to the people who rely on it.”
— WHB Engineers

Want to talk about what water resilience could look like in your city?

We’d be happy to help. WHB Engineers partners with agencies to strengthen the systems that keep communities running.