Question

plan it!
building a reservoir
sep design solutions in order to increase the benefit from the water cycle, humans alter it by build - ing reservoirs, which store water. do some research to help you plan how to build a reservoir in your region of the country. use the space provided to draw a diagram showing the features of your reservoir. write out the steps of your plan below.

Explanation:

1. Research & Site Selection: First, identify a suitable river valley in the region with a narrow upstream section (to minimize dam size) and a large, flat downstream basin (to hold reservoir water). Confirm the area has consistent river flow and is not in a seismic hazard zone.
2. Design the Structure: Plan a concrete gravity dam at the narrow valley point, with spillways to release excess water. Include intake pipes for water diversion to local communities or farms, and a fish ladder to support aquatic ecosystem health.
3. Prepare the Site: Clear vegetation and structures from the reservoir basin, relocate any affected residents or wildlife, and reinforce the valley walls to prevent erosion.
4. Construct & Fill: Build the dam foundation first, then the dam structure. Once complete, gradually close the river diversion tunnels to fill the reservoir over several months, monitoring water levels and dam stability.
5. Add Supporting Features: Install water treatment facilities if supplying drinking water, build access roads and maintenance infrastructure, and set up monitoring systems for water quality and dam integrity.

Answer:

Plan to Build a Reservoir:

1. Research and select a narrow river valley with a large downstream basin in the local region, ensuring consistent river flow and low seismic risk.
2. Design a concrete gravity dam with spillways, water intake pipes, and a fish ladder to balance water storage, supply, and ecosystem needs.
3. Clear the reservoir basin, relocate affected communities/wildlife, and reinforce valley walls to prepare the construction site.
4. Construct the dam foundation and structure, then gradually divert and dam the river to fill the reservoir while monitoring stability.
5. Install water treatment (if needed), access roads, and monitoring systems for long-term operation and maintenance.