Plainfield

Project Team

Date: Fall 2021
UConn Students: Rachael Ruggiero, Phoebe Mrozinski
UConn CLEAR: David Dickson, Michael Dietz


The Runoff Reduction Report

This report includes recommendations for green stormwater infrastructure practices at 8 sites in the town of Plainfield. Each site is displayed with an ArcGIS map of the recommended practice, detailed description of our recommendations, and an informational table. Each table shows an estimated drainage area, our recommended green infrastructure, annual gallons of runoff treated, nitrogen and phosphorus pollution reduction amounts, and the suggested size of each practice. These estimations were calculated based on the drainage area, annual rainfall estimates specific to Connecticut, and literature export values.


GSI Summary Table

The following calculations display the potential pollutant-reducing benefits if the practices identified within the report were implemented:

 

Site Location GSI Suggestion Drainage Area (sq. ft.) Annual Gallons Treated Annual Nitrogen Reduction (lb. N/yr) Annual Phosphorous Reduction (lb. P/yr) Suggested Practice Size [6 in. depth] (sq. ft.)
1 Police Station Rain Garden 2,353 61,934 0.64 0.082 384
2 Town Hall Rain Garden 3,049 80,284 0.835 0.106 653
3 Senior Center Rain Garden 1 2,091 55,052 0.57 0.073 325
Rain Garden 2 2,047 53,905 0.56 0.071 348
4 Moosup Park Bioswale 5,053 133,042 1.38 0.176 274
5 Plainfield Fire Co. Rain Garden 5,575 146,807 1.52 0.19 465
6 Shepherd Hill Elementary Rain Garden 1 20,909 550,594 5.72 0.73 3,485
Rain Garden 2 4,095 107,825 1.12 0.14 512
7 Moosup Elementary Rain Garden 7,971 209,914 2.18 0.28 1,329
8 Central Middle School Rain Garden 11,671 309,709 3.22 0.41 1,960

Totals

Total IC Disconnected (sq. ft.) Annual Gallons Treated Annual Nitrogen Reduction (lb. N/yr) Annual Phosphorous Reduction (lb. P/yr)
Total 64,813 1,709,066 17.745 2.258