Senior living & skilled nursing
Assisted living, memory care, and SNFs — where vulnerable residents raise the clinical and regulatory stakes.
Legionella testing and water risk support for high‑liability properties
Legionella sampling and testing coordination for commercial properties across San Diego County.
Serving San Diego County
Partnering with licensed laboratories
Clear chain of custody and reporting
Working with senior living, hotels, multifamily, medical office, and commercial properties
When water risk is ignored,
liability grows fast
Clients come to us with one of three problems: liability exposure, compliance gaps, or slow execution. We help them move faster with clear coordination, practical guidance, and organized follow-through.
Reduce liability
Clear action when water risk needs a documented response.
Support compliance
Better coordination, reporting, and follow-through.
Move faster
Testing available as soon as next day with fast turnaround.
Start with the service most clients need
Legionella Testing
Responsive coordination through licensed laboratory partners, with testing available as soon as next day and fast turnaround on results.
Positive Result Response Coordination
When a result comes back positive, we help interpret the report, recommend next steps, coordinate vendors, track deadlines, and document the response.
Facility Risk Assessments
Building walkthroughs and written findings to identify water system risk factors and priority actions for your property.
More than sampling. Clear support when timing matters.
Pacific Water Diagnostics helps clients across San Diego County reduce Legionella risk before and after sampling. We coordinate testing through licensed California laboratories, help clients understand results, and support the response process when fast, organized action matters.
Request Consultation- Partnering with licensed laboratories
- Testing available as soon as next day
- Fast turnaround on results
- Clear communication throughout
- Organized follow-through from first call to final documentation
Built for properties where risk and response matter
Medical office buildings
Outpatient centers and dialysis-adjacent facilities — where clinical operations depend on water-system reliability.
Commercial office & mixed-use
Class A towers and ground-floor retail podiums — where tenant obligations and brand perception intersect.
Hotels & resorts
Guest-facing brands with rapid reputational exposure
Multifamily & large residential
High-occupancy residential with complex plumbing
If a Legionella result comes back positive, we help you move fast
We do not perform chemical treatment or construction. We act as the owner's representative — helping interpret the lab report, coordinate qualified vendors, organize next steps, track deadlines, and support documentation throughout the response.
Discuss a Positive Result
What we handle
- Lab report interpretation
- Recommended next steps
- Vendor coordination — plumbers, water treatment specialists, industrial hygienists
- Deadline and regulatory tracking
- Response documentation and follow-through
A simple process from concern to action
1
Day 1
Tell us about the property
Share the building type, concern, and timeline. We respond within 24 hours.
2
Within 48 hours
We sample on-site
A scheduled visit within 48 hours. We handle collection, chain of custody, and delivery to a licensed lab partner.
3
10–14 days
You get clear results
Lab-analyzed findings delivered in plain language, with guidance on what to do next.
Request sampling or a consultation
Tell us about your property. Email us at [email protected].
Thanks — we've got it.
We'll be in touch shortly to scope the job. If it's urgent, email [email protected].
Contact
Email
Phone
Response time
24 hours, Mon–Fri (8:30am–5pm PT)
Service area
San Diego County — Carlsbad, Chula Vista, Coronado, Del Mar, El Cajon, Encinitas, Escondido, Imperial Beach, La Mesa, Lemon Grove, National City, Oceanside, Poway, San Diego, San Marcos, Santee, Solana Beach, and Vista, plus unincorporated communities including La Jolla, Rancho Santa Fe, Rancho Bernardo, Scripps Ranch, and Carmel Valley
Guidance for property teams
Legionella Testing
What a Legionella Test Actually Involves — and What It Costs
A plain walkthrough of Legionella testing for San Diego commercial properties: scoping, sampling, certified-lab analysis, reporting, and pricing from $1,000.
Read article Water RiskThe Real Risk Isn't a Bad Result. It's the Years Between Tests.
Most Legionella exposure in commercial buildings comes from testing that quietly lapses. Why the gap between tests is the real risk — especially in San Diego.
Read article