1. Map showing location and features of the Puget Sound Lowland, Washington (31838 bytes)
2. Three-dimensional perspective view of a hypothetical basin typical of the Puget Sound
Lowland showing topography and streams (31617)
3. Hydrogeologic section through a hypothetical basin typical of the Puget Sound Lowland,
showing recharge and discharge areas and generalized directions of ground-water flow (19993)
4. Map showing hydrogeologic layers exposed at land surface in a hypothetical basin
typical of the Puget Sound Lowland (37968)
5. Diagrams showing source of water to a well (14753)
6. Map showing model grid, boundary conditions, and mean annual recharge rates (33690)
7. Map showing simulated water levels in the uppermost confined outwash aquifer (layer 3)
for baseline conditions (40304)
8. Map showing simulated water levels in the lowermost confined outwash aquifer (layer 11)
for baseline conditions (46021)
9. Graphs showing simulated ground-water discharge to streams from stream leakage and
spring discharge for baseline conditions, by stream segment number (a) total discharge and
(b) specific discharge (16876)
10. Map showing locations of wells in simulations (27749)
11. Graphs showing sources of water to a simulated well pumping 300 gallons per minute from
the unconfined outwash aquifer (layer 1) at various distances from stream segment 4 (16361)
12. Map showing cumulative downstream capture of ground-water discharge to streams by a
well located near a stream and pumping 300 gallons per minute from an unconfined
outwash aquifer (layer 1) (28710)
13. Graphs showing simulated capture of ground-water discharge to stream segments by a well
pumping 300 gallons per minute from an unconfined outwash aquifer (layer 1) (12723)
14. Maps showing simulated water-level declines and capture of discharge to streams and
springs when pumping 300 gallons per minute from an unconfined aquifer (layer 1) with
the well located (a) near the stream (33383) and (b) far from the stream (36162)
15. Graph showing the cumulative area affected by simulated drawdown in an unconfined
aquifer (layer 1) when pumping 300 gallons per minute from a well near the stream and
6,000 feet from the stream (13652)
16. Graph showing sources of water to a simulated well pumping 300 gallons per minute from
the uppermost confined outwash aquifer (layer 3) at various distances from stream segment
number 4 (17131)
17. Map showing cumulative downstream capture of ground-water discharge to streams by
a well located near a stream and pumping 300 gallons per minute from a confined
outwash aquifer (layer 3) (30050)
18. Graphs showing simulated capture of ground-water discharge to stream segments by a well
pumping 300 gallons per minute from a confined outwash aquifer (layer 3) (12403)
19. Map showing simulated water-level declines and capture of discharge to streams and springs
when pumping 300 gallons per minute from a confined aquifer (layer 3) with the well
located near the stream (39206)
20. Graph showing cumulative areas affected by simulated drawdown in a confined outwash
aquifer (layer 3) when pumping 300 gallons per minute from a well near the stream and
6,000 feet from the stream (16742)
21. Graph showing sources of water to a simulated well located 3,000 feet from the stream
and pumping from a confined aquifer (layer 3) at rates ranging from 75 to 1,200 gallons
per minute (16666)
22. Maps showing simulated water-level declines and capture of discharge to streams and springs
when pumping from a confined aquifer (layer 3) at rates of (a) 75 gallons per minute (36870) and
(b) 1,200 gallons per minute (41208)
23. Graph showing cumulative areas affected by simulated drawdown in a confined outwash
aquifer (layer 3) when pumping from a well 3,000 feet from the stream at rates of 75
and 1,200 gallons per minute (9975)
24. Graph showing sources of water to a simulated well pumping 300 gallons per minute from
aquifers at various depths (14975)
25. Graph showing simulated capture of ground-water discharge to stream segments by a
well pumping 300 gallons per minute from shallow (layer 1) and deep (layer 9)
outwash aquifers (12869)
26. Maps showing simulated water-level declines and capture of discharge to
streams and springs with the well pumping from (a) shallow (layer 3) (38345)
and (b) deep (layer 9) aquifers (40090)
27. Graph showing cumulative areas affected by simulated drawdown when pumping 300 gallons
per minute from shallow (layer 3) and deep (layer 9) wells 6,000 feet from the stream (18095)
28. Graph showing sources of water to a simulated well pumping 300 gallons per minute from
the uppermost confined outwash aquifer (layer 3) at various locations between the bluff and
stream segment number 4 (16258)
29. Graph showing simulated capture of ground-water discharge to stream segments by a well
pumping 300 gallons per minute near the bluff and far from the bluff (11940)
30. Map showing simulated water-level declines and capture of discharge to streams and
springs with the well located (a) near the bluff (38365) and (b) far from the bluff (37962)
31. Graph showing the cumulative areas affected by simulated drawdown in a
confined outwash aquifer (layer 3) when pumping 300 gallons per minute at
varying distances from the bluff (18277)
32. Maps showing simulated water-level declines and capture of discharge to streams and
springs with (a) a high well density (40661) and (b) a low well density (40312)
33. Graph showing cumulative areas affected by simulated drawdown in a confined outwash
aquifer when pumping 300 gallons per minute at varying well densities (19680)
34. Graph showing sources of water to simulated wells pumping from a confined outwash
aquifer (layer 3) in areas overlain by till and outwash under conditions of increased and
decreased recharge (20137)
35. Maps showing simulated water-level declines and capture of discharge to streams and
springs with simulated pumping of 600 gallons per minute from the uppermost confined
aquifer (layer 3) where till is at land surface and (a) recharge is decreased (41290) and
(b) recharge is increased (37712)
36. Graph showing the cumulative areas affected by simulated drawdown in a confined
outwash aquifer when pumping 600 gallons per minute in areas underlain by till and
outwash and under the conditions of increased and decreased recharge (21699)
37. Maps showing simulated water-level declines and capture of discharge to streams and
springs with simulated pumping of 600 gallons per minute from the uppermost confined
aquifer where outwash is at land surface and (a) recharge is decreased (40138) and
(b) recharge is increased (39044)
