|
CHESTER COUNTY OBSERVATION WELL NETWORK - REPORT FOR
APRIL 2008
Levels Indicated are Depth to Water in Feet Below Land Surface |
Well
Number |
Municipal
Location |
Current Month
Depth to Water
and Current Status
|
Reference Data for Current Status |
Drought Emergency |
Drought Warning |
Drought Watch |
Median |
CH 2* |
Honey Brook |
8.4 |
Below Median |
9.89 |
9.39 |
8.52 |
8.01 |
CH 10* |
West Marlborough |
11.81 |
Below Median |
14.05 |
13.4 |
12.38 |
11.58 |
CH 12 |
West Bradford |
35.21 |
Below Median |
38.5 |
38.11 |
36.25 |
33.57 |
CH 38* |
New Garden |
6.09 |
Below Median |
11.54 |
8.6 |
7.7 |
6.03 |
CH 89 |
East Whiteland |
138.68 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 210 |
Tredyffrin |
19.84 |
Below Median |
23.1 |
22.17 |
20.01 |
18.84 |
CH 254 |
East Nottingham |
22.58 |
Below Median |
26.43 |
25.3 |
24.04 |
21 |
CH 1201 |
West Sadsbury |
4.89 |
Below Median |
6.35 |
5.83 |
5.35 |
4.72 |
CH 1229* |
Upper Uwchlan |
35.39 |
Below Median |
40.29 |
38.64 |
36.23 |
34.33 |
CH 1247* |
West Vincent |
28.39 |
Below Median |
32.6 |
31.15 |
28.8 |
27.77 |
CH 1387 |
Thornbury |
32.13 |
Above Median |
36.37 |
35.07 |
33.94 |
32.29 |
CH 1571 |
East Vincent |
5.87 |
Below Median |
7.01 |
6.64 |
6.06 |
5.77 |
CH 1921 |
New Garden |
42.59 |
Below Median |
47.29 |
46.73 |
44.11 |
42.11 |
CH 2273 |
West Brandywine |
-1.04 |
Below Median |
2.37 |
1.05 |
-0.91 |
-2.02 |
CH 2313 |
East Whiteland |
6.85 |
Drought Watch |
10.66 |
9.32 |
6.1 |
4.14 |
CH 2328 |
East Nantmeal |
1.27 |
Above Median |
3.8 |
2.58 |
1.96 |
1.62 |
CH 2456 |
East Brandywine |
18.93 |
Above Median |
19.5 |
19.5 |
19.27 |
19 |
CH 2457 |
East Goshen |
16.77 |
Above Median |
19.78 |
19.48 |
18.12 |
16.83 |
CH 2561 |
Charlestown |
94.06 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 2584 |
East Marlborough |
18.83 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 2663 |
New Garden |
10.36 |
Drought Watch |
10.71 |
10.61 |
10.14 |
9.9 |
CH 3289 |
Tredyffrin |
20.06 |
Below Median |
22.09 |
21.65 |
20.35 |
18.69 |
CH 5422 |
Londonderry |
17.97 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6513 |
North Coventry |
15.06 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6516 |
Pennsbury |
-0.2 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6517 |
West Caln |
63.63 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6518 |
Lower Oxford |
20.94 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6519 |
Newlin |
|
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 7007 |
Wallace |
25.74 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
Current Status Explanation
Above Median - Depth to water level < 50th percentile
Below Median - Depth to water level > 50th and < 75th percentile
Drought Watch - Depth to water level > 75th and < 90th percentile
Drought Warning - Depth to water level > 90th and < 95th percentile
Drought Emergency - Above Median (Depth to water level > 95th percentile
No Statistics - Statistics not available for this well
Median shows the middle of the distribution and is less sensitive to extreme water levels, so it is more typical than the mean.
|
XXX = statistic not available for this well |
*wells monitored for the Christina Basin Drought Management Plan |
|
Wells CH 2273, CH 2328 and CH 6516 can have ground water flowing above the land surface
(known as an artesian well); a (-) sign indicates water flowing above the land surface. |
|
Percentiles shown were revised as of
May 31, 2006 to reflect updated statistical analysis reported in
the U.S. Geological Survey report DS-292.
|
|
Date Prepared:
04/24/08
|
Active networks
U.S. Department of the Interior | U.S. Geological Survey