About
Serving the Sioux Falls, SD area, Maguire is a potable water tank diving specialist. Their service range includes potable water tank inspection & cleaning. Call to discuss scheduling, site access and pricing.
Hours
| Monday | 7:30AM-5PM |
|---|---|
| Tuesday | 7:30AM-5PM |
| Wednesday | 7:30AM-5PM |
| Thursday | 7:30AM-5PM |
| Friday | 7:30-11:30AM |
| Saturday | Closed |
| Sunday | Closed |
Frequently Asked Questions — Sioux Falls, SD
Why are bids for potable water tank inspection in Sioux Falls, SD so different in price?
Commercial diving is quoted as a crew and spread day rate plus a separate mobilisation charge to bring the team, compressor, and support equipment to your site. Inspection work is commonly priced per structure or per substructure unit, so two bids can look very different if one includes more lost time, logistics, or oversight. The mobilisation line is usually where the biggest gap comes from, not the hourly rate.
How far ahead should we schedule a dive inspection of our finished-water reservoir?
Plan for several weeks of lead time, because the tank has to be taken out of service, isolated, and cleared for entry before the dive team mobilises. The diving company will coordinate with your operation, but you are responsible for tank isolation and any required disinfection before it is returned to service. Permit requirements vary by state and municipality, so confirm them early with your local regulator.
Is it better to drain the tank or let divers inspect it in the water?
In-water inspection is faster and avoids draining, but it is not routine near intakes, gates, or valves because differential pressure is a lethal hazard and requires proper isolation. A drained inspection lets the crew see and document coatings and sediment clearly and is often needed before repair work. Follow AWWA M42 guidance to decide which approach fits your tank's condition and schedule.
What will the dive contractor actually deliver after the tank inspection?
You'll get a written report with annotated photos, observations, and a condition assessment tied to AWWA M42 categories. It should include a prioritized recommendation list so you can plan repairs and budget. Ask for a sample report before hiring so you know the depth of detail you'll receive.
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