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MICHIGAN
Population: 9,938,444

Information on the state of Michigan is available for the following topics. To review this information, click on the links below.

Contacts| Regulations, Statutes & State Codes | Quick Facts | Septic Stats

Onsite Demonstration Programs | Onsite Management Communities

 

 

Contacts:
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Richard Falardeau, P.E., Chief, Land Division & Local Health Department Support
or
Richard Sacks, P.E., Chief Environmental Health Section
MDEQ-DWRP
Environmental Health
PO Box 30630
Lansing, Michigan 48909
(517) 241-1345 or (517) 241-1317 (respectively)
(517) 241-1256 (fax)

falarder@state.mi.us

sacksr@state.mi.us

http://www.michigan.gov/deq

 

Regulations, Statutes & State Codes:
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Michigan Constitutions, Statutes and Codes

Regulatory Structure for Sanitary Sewage
April 2000

Onsite regulations for Michigan were last updated April 2000. Regulations are not currently under revision, nor are there plans to do so within the next year.

Those technologies approved for use in Michigan for onsite wastewater treatment and disposal include conventional, mounds, sand filters, aerobic systems, textile filters, foam cube filters, constructed wetlands, chamber systems, and lagoons. There are no statewide criteria to allow any technology not listed above; protocol would generally entail a variance permit or experimental approval. Surface discharge is not an option for onsite systems in the State.

In Michigan, drainfield area/size reduction is generally allowed based on effluent quality. Sand filters, textile filters, constructed wetlands, aerobic systems are considered for drainfield reductions.

No funding program or mechanism exists in the state to assist homeowners replacing failing systems or installing new systems, and there are no plans to develop such a mechanism within the next year.

At this time, there are no ongoing onsite wastewater demonstration, research, or testing projects in Michigan.

Michigan State Code does not recognize or require management programs/contracts or management districts to monitor and maintain onsite systems or individual septic disposal systems, and there are no statewide plans to develop such a program. Current statutes would allow for broad authority to adopt management programs through adoption of rules, but there is no political will to do so. However, some local health departments have required contracts for alternative systems, such as sand filters, and one local health department has recently adopted an operating permit system for alternatives.

The number of permits issued annually is tracked, but the records do not separate new permits from system replacement. In fiscal year 1999/2000, a total of 36,204 permits were issued for systems at single- and two-family systems and 1,015 for non-residential.

In Michigan, a system is considered to have failed if any one of the following occurs:
· The system cannot accept effluent at the rate of application;
· Sewage effluent seeps from or ponds on or around the system; or
· The system contaminates an aquifer capable of being used for drinking water supply or the surface waters of the state.
The most common reasons for system failure in the state are cited as age, excessive flow, construction, and lack of required operation and maintenance.

The State does not have a licensing/certification program for individual onsite wastewater systems.

For information pertinent to municipal wastewater regulations, one may contact:

Scott Ross, Chief
Groundwater Permits Section
MDEQ, Waste Management Division
Rosss@state.mi.us

Quick Facts:
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Total number of onsite systems: 1,000,000 estimated; 1990 U.S. census reports 1,100,000.

Number of new systems installed each year: 40,000, estimated, including repairs.

Failure definition: Varies as per county regulations.

Number or proportion of systems presently failing: NA

Number or proportion repaired annually: See above.

Number or proportion replaced annually: NA

Number or proportion of repairs or replacements that require alternative technology (e.g.,
sand filters, pressure dosing):
NA

Number or proportion of repairs or replacements that require advanced technology (e.g.,
disinfection, nutrient removal):
NA

Cost of a conventional septic system installation: $2000-$5000; range, $1000-$15,000.

Cost of a centralized sewer tie-in (including fees and cost of the sewer lateral): NA

 

Septic Stats:
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TOTAL PERSONS TOTAL HOUSING UNITS PUBLIC SYSTEM DRILLED WELL DUG WELL OTHER PUBLIC SEWER SEPTIC TANK OTHER MEANS
MICHIGAN 9,295,297 3,847,926 2,711,224 1,064,011 57,055 15,636 2,724,408 1,090,481 33,037
COUNTIES
ALCONA 10,145 10,414 397 9,537 283 197 442 9,649 323
ALGER 8,972 5,775 1,767 3,487 417 104 1,395 4,191 189
ALLEGAN 90,509 36,395 12,161 23,146 952 136 12,703 23,293 399
ALPENA 30,605 14,431 7,102 6,984 260 85 7,091 7,277 63
ANTRIM 18,185 13,145 3,611 9,136 212 186 2,449 10,405 291
ARENAC 14,931 8,891 2,355 6,147 245 144 1,310 7,395 186
BARAGA 7,954 4,684 1,916 2,280 189 299 1,883 2,421 380
BARRY 50,057 20,887 4,627 15,663 553 44 6,611 13,953 323
BAY 111,723 44,234 37,523 6,024 503 184 32,897 11,095 242
BENZIE 12,200 8,557 1,967 6,382 166 42 1,786 6,579 192
BERRIEN 161,378 69,532 42,584 25,362 1,343 243 48,034 20,834 664
BRANCH 41,502 18,449 6,444 11,373 587 45 6,541 11,598 310
CALHOUN 135,982 55,619 34,522 20,209 853 35 37,704 17,581 334
CASS 49,477 22,644 4,877 16,801 918 48 4,276 17,964 404
CHARLEVOIX 21,468 13,119 5,673 7,133 211 102 4,720 8,219 180
CHEBOYGAN 21,398 14,090 2,470 11,192 306 122 2,428 11,575 87
CHIPPEWA 34,604 18,023 7,765 8,770 539 949 7,719 9,148 1,156
CLARE 24,952 19,135 2,232 16,306 371 226 2,553 15,921 661
CLINTON 57,883 20,959 7,341 13,143 457 18 10,555 10,178 226
CRAWFORD 12,260 8,727 806 7,641 224 56 847 7,643 237
DELTA 37,780 17,928 8,316 8,221 711 680 7,754 9,317 857
DICKINSON 26,831 12,902 8,688 3,697 378 139 7,703 4,994 205
EATON 92,879 35,517 21,158 13,800 532 27 22,804 12,482 231
EMMET 25,040 14,731 5,464 8,777 243 247 5,938 8,540 253
GENESEE 430,459 170,808 114,254 54,111 2,288 155 146,931 23,237 640
GLADWIN 21,896 14,885 1,821 12,493 441 130 2,420 12,062 403
GOGEBIC 18,052 10,997 7,714 2,148 534 601 6,937 3,454 606
GRAND TRAVERSE 64,273 28,740 10,575 17,660 446 59 11,515 16,929 296
GRATIOT 38,982 14,699 7,116 7,327 236 20 7,579 6,984 136
HILLSDALE 43,431 18,547 5,800 12,084 541 122 6,073 12,064 410
HOUGHTON 35,446 17,296 11,670 4,566 606 454 10,033 7,046 217
HURON 34,951 19,755 6,821 10,808 1,961 165 6,041 13,332 382
INGHAM 281,912 108,542 95,123 12,852 536 31 96,156 12,186 200
IONIA 57,024 19,674 8,968 10,334 321 51 9,419 10,099 156
IOSCO 30,209 19,517 6,929 11,877 624 87 5,638 13,646 233
IRON 13,175 9,039 7,213 1,468 182 176 4,440 4,357 242
ISABELLA 54,624 19,950 8,980 10,617 297 56 9,216 10,550 184
JACKSON 149,756 57,979 27,791 28,476 1,547 165 33,820 23,854 305
KALAMAZOO 223,411 88,955 66,051 21,949 901 54 61,441 27,059 455
KALKASKA 13,497 9,151 859 8,076 150 66 942 7,993 216
KENT 500,631 192,698 155,803 35,489 1,228 178 157,278 34,692 728
KEWEENAW 1,701 2,257 1,586 498 145 28 983 1,251 23
LAKE 8,583 12,114 621 10,539 834 120 348 10,893 873
LAPEER 74,768 26,445 7,218 18,308 884 35 6,911 19,308 226
LEELANAU 16,527 11,171 1,544 9,372 195 60 1,409 9,459 303
LENAWEE 91,476 35,104 16,974 16,280 1,694 156 20,111 14,765 228
LIVINGSTON 115,645 41,863 9,626 30,917 1,232 88 9,752 31,849 262
LUCE 5,763 3,594 1,190 2,260 81 63 1,143 2,206 245
MACKINAC 10,674 9,254 2,324 6,045 405 480 2,091 6,784 379
MACOMB 717,400 274,843 261,092 12,110 1,563 78 248,734 25,758 351
MANISTEE 21,265 13,330 4,166 8,909 174 81 3,672 9,472 186
MARQUETTE 70,887 31,049 19,991 9,205 1,142 711 18,457 11,471 1,121
MASON 25,537 14,119 5,254 8,695 128 42 5,022 8,885 212
MECOSTA 37,308 17,274 3,892 13,076 185 121 4,660 12,387 227
MENOMINEE 24,920 12,509 4,955 6,926 337 291 5,087 6,738 684
MIDLAND 75,651 29,343 17,521 10,615 1,085 122 15,834 13,242 267
MISSAUKEE 12,147 7,112 824 6,005 244 39 1,090 5,883 139
MONROE 133,600 48,312 32,171 14,102 1,446 593 30,798 17,206 308
MONTCALM 53,059 22,817 6,250 15,869 644 54 6,963 15,535 319
MONTMORENCY 8,936 8,791 446 8,064 187 94 412 7,927 452
MUSKEGON 158,983 61,962 39,638 20,824 1,420 80 42,174 19,475 313
NEWAYGO 38,202 20,105 3,164 16,091 762 88 3,947 15,733 425
OAKLAND 1,083,592 432,684 358,547 69,875 3,548 714 363,108 68,394 1,182
OCEANA 22,454 12,857 2,471 9,908 350 128 2,661 9,932 264
OGEMAW 18,681 13,977 1,023 12,387 219 348 1,254 11,922 801
ONTONAGON 8,854 5,332 2,147 2,618 168 399 2,047 2,966 319
OSCEOLA 20,146 11,444 2,239 8,878 171 156 2,121 9,027 296
OSCODA 7,842 8,112 203 7,451 186 272 211 7,406 495
OTSEGO 17,957 10,669 1,493 8,838 226 112 1,474 8,986 209
OTTAWA 187,768 66,624 45,487 19,617 1,443 77 38,079 28,110 435
PRESQUE ISLE 13,743 8,917 2,266 6,424 102 125 1,766 6,972 179
ROSCOMMON 19,776 19,881 934 17,696 1,186 65 6,889 12,881 111
SAGINAW 211,946 81,931 68,099 12,411 1,069 352 62,222 19,244 465
ST. CLAIR 145,607 57,494 39,745 14,826 1,615 1,308 38,716 18,372 406
ST. JOSEPH 58,913 24,242 11,026 12,305 881 30 10,454 13,616 172
SANILAC 39,928 19,465 5,903 11,053 2,308 201 5,284 13,760 421
SCHOOLCRAFT 8,302 5,487 1,777 3,336 216 158 1,597 3,600 290
SHIAWASSEE 69,770 25,833 12,017 13,185 581 50 13,785 11,849 199
TUSCOLA 55,498 21,231 6,286 13,828 845 272 6,582 14,394 255
VAN BUREN 70,060 31,530 9,985 20,086 1,302 157 9,595 21,239 696
WASHTENAW 282,937 111,256 89,953 20,239 1,008 56 90,399 20,547 310
WAYNE 2,111,687 832,710 829,077 3,019 366 248 816,947 12,102 3,661
WEXFORD 26,360 12,862 4,845 7,775 186 56 5,597 7,139 126

 

Onsite Demonstration Programs:
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Two programs (Benzie County and Rose Hill) are conducted by Michigan State University,
further details not available.

Onsite Management Communities:
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Benzie County
Washtenaw County
Wayne County