Providence Water, although a department of the City of Providence, is regulated by state and federal agencies in addition to city policies and procedures. The quality of our treated drinking water is regulated by the US Environmental Protection Agency and the Rhode Island Department of Health. Our revenue and rate structure is regulated by the Rhode Island Public Utilities Commission.

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Frequently Asked Questions - Do You Know? - Scituate Reservoir

What the dimensions are for the Scituate Reservoir dam?

The Scituate reservoir dam is 3,200 feet long and 100 feet high.

How much water is in the Scituate Reservoir?

The storage capacity of the Scituate Reservoir is approximately 39.7 billion gallons.

 How deep the Scituate Reservoir is?

 The average depth is 32 feet, the maximum depth is 90 feet.

How often the water "turns" in the Scituate Reservoir and why it turns?

Turns occur right around April and October.  During the change of season, water temperatures differ from top to bottom. The different temperature waters have different density. The heavier water sinks while the lighter water rises thus causing a seasonal turn.

What the average yearly rainfall at the Scituate Reservoir is?

 The average yearly rainfall at the Scituate Reservoir is 49.66 inches.

If fishing is allowed in the Scituate Reservoir?

Fishing is not allowed in the Scituate Reservoir.

How hot/cold the water gets in the Scituate Reservoir?

Excluding the ice cover, the water temperature goes down to approximately 35 degrees Fahrenheit in the winter and climbs to approximately 59 degrees Fahrenheit in the summer (based on the depths that we draw from, not the surface).

What color the water is in the Scituate Reservoir?

The water in the Scituate Reservoir has a tint depending on the biological species present but overall it has a blue appearance.

If the water in the Scituate Reservoir is treated before you can drink it?

Yes, the water needs to be treated to reduce chemical and bacteriological contaminants.

How many Olympic-sized swimming pools it would take to fill the Scituate Reservoir?

It takes six and a half years for the average American residence to use the amount of water required to fill an Olympic-sized swimming pool (660,000 gallons).  The calculation is as follows:  (Scituate Reservoir) 39,746,000,000 divided by (Olympic-sized pool) 660,000 = 60,221 Olympic-sized swimming pools.

What the surface area of the Scituate Reservoir is?

The surface area of the Scituate Reservoir is 5.3 sq. miles, or 3,390 acres.