|
CHESTER COUNTY OBSERVATION WELL NETWORK - REPORT FOR
NOVEMBER 2009
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 |
7.08 |
Above Median |
12.52 |
12.05 |
11.08 |
10.18 |
CH 10* |
West Marlborough |
11.89 |
Above Median |
15.63 |
15.44 |
14.8 |
14.13 |
CH 12 |
West Bradford |
35.79 |
Above Median |
38.5 |
38.5 |
38.5 |
38.25 |
CH 38* |
New Garden |
6.56 |
Above Median |
14.29 |
14.13 |
12.16 |
10.79 |
CH 89 |
East Whiteland |
141.08 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 210 |
Tredyffrin |
20.28 |
Above Median |
26.6 |
25.21 |
24.15 |
23.15 |
CH 254 |
East Nottingham |
23.3 |
Below Median |
28.08 |
27.56 |
25.36 |
23.13 |
CH 1201 |
West Sadsbury |
4.75 |
Above Median |
6.92 |
6.91 |
6.67 |
6.13 |
CH 1229* |
Upper Uwchlan |
35.42 |
Above Median |
42.04 |
41.62 |
41.01 |
38.95 |
CH 1247* |
West Vincent |
28.53 |
Above Median |
34.64 |
33.8 |
33.16 |
32.35 |
CH 1387 |
Thornbury |
32.05 |
Above Median |
37.17 |
37.03 |
36.32 |
35.31 |
CH 1571 |
East Vincent |
6.03 |
Above Median |
11.04 |
10.74 |
9.8 |
8.27 |
CH 1921 |
New Garden |
41.63 |
Above Median |
48.82 |
48 |
46.58 |
44.63 |
CH 2273 |
West Brandywine |
-1.02 |
Above Median |
4.18 |
3.62 |
2.47 |
0.8 |
CH 2313 |
East Whiteland |
8.14 |
Above Median |
15.89 |
15.08 |
12.71 |
11.36 |
CH 2328 |
East Nantmeal |
1.08 |
Above Median |
4.97 |
4.78 |
4.25 |
2.93 |
CH 2456 |
East Brandywine |
18.94 |
Above Median |
20.39 |
20.27 |
20.06 |
19.7 |
CH 2457 |
East Goshen |
17.21 |
Above Median |
23.57 |
23.46 |
22.36 |
21.59 |
CH 2561 |
Charlestown |
91.37 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 2584 |
East Marlborough |
18.42 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 2663 |
New Garden |
9.9 |
Above Median |
11.12 |
10.99 |
10.74 |
10.44 |
CH 3289 |
Tredyffrin |
20.52 |
Above Median |
30.32 |
27.03 |
24.67 |
23.23 |
CH 5422 |
Londonderry |
17.45 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6513 |
North Coventry |
14.5 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6516 |
Pennsbury |
0.03 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6517 |
West Caln |
62.5 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 6518 |
Lower Oxford |
20.23 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 7007 |
Wallace |
27.42 |
No Statistics |
XXX |
XXX |
XXX |
XXX |
CH 7269 |
Newlin |
8.48 |
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:
11/20/09
|
Active networks
U.S. Department of the Interior | U.S. Geological Survey