MICHIGAN WATER WELL STATISTICS

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MICHIGANWATER WELLSTATISTICS
DEPARTMENT OF ENVIRONMENTAL QUALITY WATER
BUREAU LANSING OPERATIONS DIVISION DRINKING WATER
AND ENVIRONMENTAL HEALTH SECTION WELL
C0NSTRUCTION UNIT
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Groundwater is one of Michigans most
important natural resources

• Provides about 23 of public water supply
• 2.77 million people use domestic water wells
• Average usage 86.3 gal./person/day
• Nearly half of population relies on groundwater
  for drinking

SOURCE Final Report to the Michigan Legislature
in Response to Public Act 148 of 2003,
Groundwater Conservation Advisory
Council, February 6, 2006
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2006 REGISTRATIONS (Under Part 127, 1978 PA 368)
CATEGORY NO. OF REGISTRATIONS WATER WELL
DRILLERS ... 852 DEWATERING
CONTRACTORS .. 21 PUMP INSTALLERS
. 83 WELL DRILLING RIGS
1460
( REGISTRATION FROM MAY 1, 2006 TO APRIL 30, 2007
)
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WELL DRILLING ACTIVITY COMPARISON - 2006
NUMBER OF CONTRACTORS
NUMBER OF WELLS DRILLED IN 2006
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WELL DRILLING ACTIVITY COMPARISON - 2006
NUMBER OF NUMBER OF
PERCENTAGE OF WELLS DRILLED
WELL DRILLERS
TOTAL WELL DRILLERS
0 297
35 1 10
191
22 11 25
96 11 26
50 109
13 51 100
96
11 101 200 42
5 201 300
9
1 301 400
6 .7
401 500 1
.1 gt 500
0


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What was the total footage of water wells
drilled in Michigan in 2006 ?
Answer 2.7 million feet
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REGISTERED WATER WELL CONTRACTORS
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AVERAGE WATER WELLS DRILLED ANNUALLY
BY DECADE
40 year average 22,000 wells drilled per year
1966 First year of well record submittal
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WATER WELL RECORDS SUBMITTED 1966 - 2006
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Number of Water Well Records Entered into
Wellogic by Contractors by Year
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NUMBER OF WATER WELLS DRILLED ANNUALLY2000 -
2006
36 DECLINE FROM 2000 TO 2006
BASED ON WELL RECORDS SUBMITTED SOURCE DEQ
WELLOGIC DATABASE
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NUMBER OF WATER WELLS DRILLED ANNUALLY (2000
2006)
Year Wells Drilled 2000 .. 35,557 2001
.. 33,411 2002 .. 33,043 2003
.. 34,935 2004 .. 32,178 2005
.. 29,622 2006 .. 23,431
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Well Drilling Activity Decline (2005-07)
YEAR
2005 (Jan. June)
2006 (Jan. June)
2007 (Jan. June)
No. of Wells Drilled
5,727
10,857
12,126
Percent New Wells
55
60
46
Percent Replacement Wells
40
45
54
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Well Code Violation Types Reported to DEQ in 2006
Other Well Code Violations 14
Well Records 64
Local Codes 11
Sample Taps Pressure Relief Valves 6
Isolation Distances 5
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U.S. HOUSEHOLDS WITH WATER WELLS BY REGION, 2003
Region Nation Northeast Midwest
South West
MILLIONS OF WELLS SERVING 1 TO 5 HOUSEHOLD UNITS
13.1 3.1 3.8 4.7 1.4
23 30 36 11
PERCENTAGE
SOURCE AMERICAN HOUSING SURVEY, U.S. BUREAU OF
CENSUS, 2003 WATER WELL JOURNAL 12/05
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WATER WELL DRILLING PUMP INSTALLATION
CONTRACTORS
PROFILE OF NEW APPLICANTS (2000-2006)

• Average new registrations per year .....
  18
• Average years of field experience .....
  11
• Average age (years) ... 37
• Percent completing college....... 10

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TOP 10 MICHIGAN COUNTIES FOR WATER WELL
CONSTRUCTION - 2006

• COUNTY NO. WELLS DRILLED
• OAKLAND 1096
• KENT 973
• ALLEGAN 889
• GENESEE 864
• LIVINGSTON 799
• BERRIEN 664
• JACKSON 570
• MUSKEGON 556
• VANBUREN 554
• WASHTENAW 550

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ABANDONED WATER WELLS PLUGGED 1997- 2006
DEQ ABANDONED WELL PROGRAM BEGINS IN 1998
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REPLACEMENT VS. NEW WELLS
46
54
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WATER WELL USE
PUBLIC SUPPLY AGR. IRRIGATION TEST WELL OTHER
OTHER 2
HOUSEHOLD 98
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DRILLING METHODS
CABLE TOOL 10
ROTARY 85
AUGER JETTING HOLLOW ROD OTHER
OTHER 5
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WELL CASING MATERIAL
78
2000
83
2006
22
2000
17
2006
PERCENT OF NEW WELLS
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WELL CASING INSTALLED IN 2006
PVC Plastic 2 million feet
Steel 312,000 feet
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WELL CASING DIAMETER
(NEW WELLS)
6 inch or larger 5
1 ¼ to 3 inch 1
4 inch 13
5 inch 81
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WELL INTAKE TYPE
(NEW WELLS)
BEDROCK WELLS
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77
SAND / GRAVEL WELLS
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DEPTHS OF WATER WELLS DRILLED IN 2006
WELL DEPTH IN FEET
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LOCAL HEALTH DEPARTMENT WATER WELL PERMITS ISSUED

• Fiscal Year No. Permits
• .. 40,750
• 2001 .. 35,824
• 2002 .. 35,217
• 2003 .. 36,836
• 2004 .. 35,726
• 2005 .. 31,117
• 2006 .. 22,400

SOURCE LHD QUARTERLY REPORTS SUBMITTED TO
DEQ WATER BUREAU
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LOCAL HEALTH DEPARTMENT INSPECTIONS OF
NEWLY COMPLETED WATER WELLS

• Fiscal Year No. Inspections
• 18,685
• 15,109
• 16,066
• 16,383
• 16,355
• 11,257
• 13,276

SOURCE LDH QUARTERLY REPORTS SUBMITTED TO
DEQ WATER BUREAU
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COMPARISON OF WELLS DRILLED TO LHD INSPECTIONS OF
COMPLETED WELLS
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WATER WELL DRILLING PROPRIETORSHIPS,
CORPORATIONS AND PARTNERSHIPS
AVERAGE RECEIPTS
ESTABLISHMENTS RECEIPTS
PER ESTABLISHMENT
UNITED STATES 4,253 288 MILLION
67,770 INDIVIDUAL
3,773 214 MILLION
56,700 PROPRIETORSHIPS CORPORATIONS
308 45 MILLION
146,905 PARTNERSHIPS 172
29 MILLION 169,000
SOURCE NONEMPLOYER STATISTICS FOR THE UNITED
STATES 2001, US BUREAU OF CENSUS, 2003,
WATER WELL JOURNAL - JUNE 2004 - NATIONAL
GROUND WATER ASSOCIATION