- The cost of one bottle of water from a vending machine is equivalent to the cost of drinking 8 glasses of tap water every day for a year.
- A gallon of water weighs 8.34 pounds.
- The Water Authority maintains almost 1500 miles of drinking water pipes. If you put them end-to-end, they would stretch from Roanoke to Colorado Springs, CO.
- At one drip per second, a faucet can leak 3,000 gallons of water per year.
- Water is the only substance naturally found on earth as a solid, liquid and gas.
- Over 713 gallons of water go into the production of one cotton T-shirt.
- The Authority’s Water Pollution Control Plant is regarded as one of the best bird-watching areas in the mid-Atlantic region.
- The Water Authority maintains over 6,000 fire hydrants in our service area. Fire hydrants are connected to the public drinking water distribution lines, so water from a fire hydrant is drinking water.
- There are over 23,000 manholes in our service area.
- Carvins Cove Natural Reserve is the second largest municipal park in the United States.
- The Authority’s Water Pollution Control Plant covers over 100 acres of land.
- More people in the world have a mobile phone than have a toilet.
- The Water Authority treats 19-million gallons of drinking water a day although we have the capacity to treat 56-million gallons per day.
- The Authority’s Water Pollution Control Plant treats almost 37-million gallons of wastewater a day from all across the Roanoke Valley.
- There are 51 drinking water storage tanks in our service area. They each hold between 500,000 – 2-million gallons of water.
- Most of the treated drinking water used in a home is for toilet flushing.
Please note that tours are typically reserved for groups with 10 or more participants. Maximum group sizes apply.
For more details about our field trip offerings, please read our 2019-2020 Education Guide.
Carvins Cove Reservoir & Natural Reserve
Visit Roanoke’s largest drinking water source and our nation’s second largest municipal park and treat your students to SOL-based, experiential lessons in the outdoors. Picnic facilities are available. K-5 field trips can accommodate up to 80 students at a time and include two educational activities. For middle school and high school field trips, please contact us, and we will plan the details with you.
Carvins Cove Water Treatment Facility
Tours of Carvins Cove Water Treatment Facility are unavailable during Fall 2019 due to construction while we conduct filter upgrades; however, the facility will open again for tours in the spring of 2020. Groups are welcome to schedule field trips to Carvins Cove Reservoir or to our other water treatment facilities while construction continues.
Spring Hollow Water Treatment Facility
The Spring Hollow Water Treatment Facility is located in western Roanoke County, just past Dixie Caverns. Students must be in third grade or above to visit the facility. Students will tour the treatment plant as well as see our lab to learn about the chemical and bacteriological tests that we conduct on the drinking water in our distribution system. This facility can accommodate up to 60 students at a time. Please allow 45 minutes for the tour. Allow more time if additional programming is requested.
Crystal Spring Filtration Facility & Historic Pump Station
Located next to Carilion Roanoke Memorial Hospital, Crystal Spring offers a look at Roanoke’s oldest drinking water source. Visitors to Crystal Spring can see the 1905 steam pump in action, view the water in the spring box, learn about the ultrafiltration process and see how Crystal Spring played a role in Roanoke’s early development. This field trip can accommodate up to 40 students at a time. All grade levels may tour Crystal Spring.