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FIGURES

1,2 Maps showing:
  1. Location of the Hunt-Annaquatucket-Pettaquamscutt stream-aquifer system, Rhode Island
  2. Drainage boundaries to the Hunt-Annaquatucket-Pettaquamscutt stream-aquifer system
3,4 Graphs showing:
  3. Water-level altitudes measured in selected wells in the Hunt-Annaquatucket-Pettaquamscutt aquifer, 1995­96
  4. (A) Water-level altitudes at well NKW-255 and (B) streamflow for the Hunt River at the U.S. Geological Survey gaging station for the period January 1987 through December 1996, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
5, 6. Maps showing:
  5. Altitude and configuration of the water table in the Hunt-Annaquatucket-Pettaquamscutt aquifer, October 7­9, 1996
  6. Streamflow measurement sites and distribution of gaining and losing stream reaches in the Hunt­ Annaquatucket­Pettaquamscutt stream-aquifer system, October 8, 1996
7, 8. Diagrams of the
  7. Steady-state hydrologic budget components of the Hunt­Annaquatucket­Pettaquamscutt stream- aquifer system
  8. Sources and sinks of water along the boundaries of the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
9,10 Graphs showing:
  9. Annual ground-water recharge estimated from streamflow records for (A) Hunt River near East Greenwich and (B) Pawcatuck River at Wood River Junction, 1941­96
  10. Monthly recharge rates estimated from streamflow records for (A) Hunt River near East Greenwich and (B) Pawcatuck River at Wood River Junction, 1941­96
11-13 Maps showing:
  11. Spatial extent of active area of simulation model of the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
  12. Grid and boundary conditions of the simulation model of the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system (A) rows 3­125 and (B) rows 126­205
  13. Model-calculated steady-state water table, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
14-19 Maps showing:
  14.. Model-calculated steady-state streamflows and streamflow depletions for (A) the Hunt River and (B) the Annaquatucket River
  15. Average monthly measured and model-calculated mid-monthly (A) water-level altitudes at well NKW-255 and (B) streamflow at the Hunt River gaging station
  16. Model-calculated mid-monthly streamflow at the downstream end of the (A) Hunt, (B) Annaquatucket, and (C) Pettaquamscutt Rivers
  17. Selected simulated response coefficients for the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
  18. Total ground-water withdrawals during July, August, and September calculated with the conjunctive-management model for current rates of streamflow depletion specified for the Hunt River and increased rates of streamflow depletion specified for the Annaquatucket and Pettaquamscutt Rivers
  19 Total ground-water withdrawals during July, August, and September calculated with the conjunctive- management model in which streamflow depletions in the Hunt River are reduced from current estimated rates and those for the Annaquatucket and Pettaquamscutt Rivers are allowed to increase from current estimated rates, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system, Rhode Island

TABLES

  1. Characteristics of water-supply wells in the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system, Rhode Island
  2. Instantaneous streamflow in the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
  3. Gains and losses of streamflow in the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
  4. Estimated average annual hydrologic budget for the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system, 1941­96
  5. Withdrawal rates (1996) specified for water-supply wells in the steady-state model of the Hunt­ Annaquatucket­Pettaquamscutt stream-aquifer system
  6. treamflows specified in the steady-state model of the Hunt­Annaquatucket­Pettaquamscutt stream- aquifer system
  7. Model-calculated steady-state water-level altitudes and measured water-level altitudes on October 8, 1996, at observation wells in the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
  8. Model-calculated steady-state average annual hydrologic budget for the Hunt­Annaquatucket­ Pettaquamscutt stream-aquifer system
  9. Model-calculated streamflow leakage and other sources of water to supply wells in the Hunt­ Annaquatucket­Pettaquamscutt stream-aquifer system
10. Model-calculated steady-state and transient average annual hydrologic budgets for the Hunt­ Annaquatucket­Pettaquamscutt stream-aquifer system
11. Summary statistics of model-calculated, mid-monthly streamflow for the Hunt, Annaquatucket, and Pettaquamscutt Rivers
12. Average 1993­98 monthly withdrawal rates for public water-supply wells in the Hunt­Annaquatucket­ Pettaquamscutt stream-aquifer system
13. Model-calculated end-of-month streamflow depletions for the Hunt, Annaquatucket, and Pettaquamscutt Rivers for July, August, and September, with 1993-98 average monthly ground-water withdrawal rates
14. Maximum withdrawal rates specified for public water-supply wells in the conjunctive-management model for the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
15. Average monthly withdrawal rates (demands) for each water supplier in the Hunt­Annaquatucket­ Pettaquamscutt stream-aquifer system, 1993­98
16. Monthly withdrawal rates calculated for the current configuration of public water-supply wells for 1993­98 estimated rates of streamflow depletion in July, August, and September, Hunt­Annaquatucket­ Pettaquamscutt stream-aquifer system
17. Monthly withdrawal rates specified for public water-supply wells in a simulation of the transient model of the Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
18. Monthly withdrawal rates calculated for the modified configuration of public water-supply wells for 1993­98 estimated rates of streamflow depletion in July, August, and September, Hunt­Annaquatucket­ Pettaquamscutt stream-aquifer system
19. Monthly withdrawal rates calculated for the modified configuration of public water-supply wells and a 15-percent reduction in the 1993­98 estimated rates of streamflow depletion in the Hunt River in July, August, and September, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
20. Specified rates of streamflow depletion in the Annaquatucket and Pettaquamscutt Rivers for conditions in which streamflow depletions are allowed to increase in the two rivers
21. Monthly withdrawal rates calculated for the current configuration of public water-supply wells for increased streamflow depletion in the Annaquatucket and Pettaquamscutt Rivers and current rates of streamflow depletion in the Hunt River, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
22. Monthly withdrawal rates calculated for the modified configuration of public water-supply wells for increased streamflow depletion in the Annaquatucket and Pettaquamscutt Rivers and current rates of streamflow depletion in the Hunt River, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system
23. Summary of the model-calculated total ground-water withdrawals from the Hunt­Annaquatucket­ Pettaquamscutt stream-aquifer system during July, August, and September
24. Monthly withdrawal rates calculated for the current configuration of public water-supply wells for increased streamflow depletion in the Annaquatucket and Pettaquamscutt Rivers and 35 percent reduction in streamflow depletion in the Hunt River, Hunt­Annaquatucket­Pettaquamscutt stream-aquifer system

 

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