1 9 9 0
Public sewer Septic tank or Other means
cesspool
Number Per- Number Per- Number Per-
cent cent cent
US 76,455,211 74.8% 24,670,877 24.1% 1,137,590 1.1%
AZ 1,348,836 81.3% 282,897 17.0% 27,697 1.7%
CO 1,283,186 86.9% 183,817 12.4% 10,346 0.7%
ID 264,618 64.0% 142,879 34.6% 5,830 1.4%
MT 218,372 60.5% 135,371 37.5% 7,412 2.1%
NV 456,107 87.9% 60,508 11.7% 2,243 0.4%
NM 452,934 71.7% 161,068 25.5% 18,056 2.9%
UT 528,864 88.4% 65,403 10.9% 4,121 0.7%
WY 151,004 74.2% 49,055 24.1% 3,352 1.6%
1 9 8 0
Public sewer Septic tank or Other means
cesspool
Number Per- Number Per- Number Per-
cent cent cent
US 64,240,532 74.0% 20,926,961 24.1% 1,591,224 1.8%
AZ 869,862 81.2% 180,665 16.9% 21,260 2.0%
CO 1,019,477 87.2% 138,742 11.9% 11,355 1.0%
ID 229,481 63.7% 124,832 34.7% 5,718 1.6%
MT 201,014 63.8% 107,018 34.0% 7,066 2.2%
NV 294,758 87.3% 41,241 12.2% 1,650 0.5%
NM 361,847 73.3% 111,967 22.7% 19,675 4.0%
UT 421,923 87.7% 56,700 11.8% 2,443 0.5%
WY 142,456 78.1% 37,656 20.7% 2,235 1.2%
1 9 7 0
Public sewer Septic tank or Other means
cesspool
Number Per- Number Per- Number Per-
cent cent cent
US 48,187,675 71.2% 16,601,792 24.5% 2,904,375 4.3%
AZ 446,304 77.1% 114,433 19.8% 18,013 3.1%
CO 612,659 82.5% 113,290 15.3% 16,689 2.2%
ID 137,891 57.9% 93,146 39.1% 7,266 3.0%
MT 154,581 64.2% 74,198 30.8% 11,974 5.0%
NV 147,743 86.1% 21,988 12.8% 1,951 1.1%
NM 230,737 71.6% 65,781 20.4% 25,722 8.0%
UT 258,649 82.9% 49,249 15.8% 3,976 1.3%
WY 86,983 75.9% 23,349 20.4% 4,217 3.7%
UNITS LACKING A FLUSH TOILET: 1960
All housing No flush toilet
units
Number Per-
cent
US 58,318,297 5,978,261 10.3%
AZ 415,790 35,541 8.5%
CO 594,448 49,124 8.3%
ID 223,533 23,727 10.6%
MT 233,277 32,732 14.0%
NV 101,558 5,116 5.0%
NM 281,894 48,837 17.3%
UT 262,623 9,659 3.7%
WY 113,084 12,809 11.3%
UNITS LACKING A FLUSH TOILET: 1950
Units reporting No flush toilet
toilet facilities
Number Per-
cent
US 45,261,040 11,086,857 24.5%
AZ 236,143 67,029 28.4%
CO 429,666 117,945 27.5%
ID 185,712 59,392 32.0%
MT 190,990 66,339 34.7%
NV 54,683 10,932 20.0%
NM 193,601 84,574 43.7%
UT 198,098 28,038 14.2%
WY 90,610 28,915 31.9%
UNITS LACKING A FLUSH TOILET: 1940
Units reporting No flush toilet
toilet facilities
Number Per-
cent
US 36,769,610 12,975,770 35.3%
AZ 144,471 69,023 47.8%
CO 348,133 144,699 41.6%
ID 149,771 81,983 54.7%
MT 174,838 92,459 52.9%
NV 35,912 13,956 38.9%
NM 142,483 97,683 68.6%
UT 146,097 46,087 31.5%
WY 75,555 39,068 51.7%
1970 data are presented for year-round housing units; vacant seasonal and migratory were excluded.
Alaska and Hawaii are not included in 1950 U.S. total
Source: Housing Then and Now U.S. Census Bureau.
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