Tap Truth EPA drinking water records, in plain English

County drinking water records

Douglas County, SD drinking water systems

5 community water systems serve Douglas County, SD, reporting 14,817 people served in all. A system that also serves other counties counts all of its customers here.

3 of them had at least one health-based violation in the last 10 years. None of those systems has one still unresolved.

1 relies mainly on groundwater and 4 on surface water, counting water bought from other systems.

Their lead service line inventories list 7 lead lines, 12 galvanized lines that must be replaced and 343 lines of unknown material.

3 more systems are placed in Douglas County, SD by the county their records name because they have no service area map that lines up with their own records, so they are listed apart and not counted here.

Community water systems
5
People served, sum of each system's own figure
14,817
Systems with a health-based violation, last 10 years
3
Systems with one unresolved
0
Lead service lines in inventories
7

Water systems serving Douglas County

5 systems

People served is each system's own figure for its whole service area. Violation counts cover the last 10 years of EPA records.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
By Water District Yankton, Running Water and 23 more and land outside them 13,320 Surface water 2 0 0
Armour Armour 698 Purchased surface water 0 0 5
Corsica Corsica 561 Purchased surface water 1 0 2
Delmont Delmont 153 Purchased surface water 1 0 0
Greenwood Colony Greenwood Colony and Delmont and land outside them 85 Groundwater 0 0 0

Systems placed by county record in Douglas County

3 systems

The service area maps EPA has for these systems do not line up with their own records. They are placed by the county their records name (the counties EPA lists them serving, or the county coded in their IDs where EPA lists none), and without a map they are not counted in the figures above.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
Davison Rural Water System Inc County on record 3,485 Purchased surface water 0 0 0
Aurora-Brule Rural Water System County on record 2,750 Surface water 0 0 0
Clearfield Colony County on record 120 Groundwater 0 0 0

Cities and towns in Douglas County

4 places

Back to South Dakota

Counties come from the counties EPA lists each system serving, matched to 2024 Census counties; where EPA lists none, from the county coded in the system's ID, its service area map, or its mailing address. A county holding at least a fifth of a system's service area map is added when at least a fifth of that map lies in those counties. Towns are the ones EPA lists and the Census places such a map covers, always inside those counties. In New England, where EPA's town names a whole Town, it is not matched to the village of the same name. A system is not listed in a county holding less than a fifth of its map, or in a county or town its map reaches when the map lies mostly outside the counties EPA lists, so a page can leave out a system that serves part of the area. Methodology and limitations