Tap Truth EPA drinking water records, in plain English

County drinking water records

Lyman County, SD drinking water systems

5 community water systems serve Lyman County, SD, reporting 7,620 people served in all. A system that also serves other counties counts all of its customers here.

1 of them had at least one health-based violation in the last 10 years. 1 system still has one unresolved.

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

Their lead service line inventories list 0 lead lines, 0 galvanized lines that must be replaced and 2,093 lines of unknown material.

1 more system is placed in Lyman County, SD by the county its records name because it has no service area map that lines up with its own records, so it is listed apart and not counted here.

Community water systems
5
People served, sum of each system's own figure
7,620
Systems with a health-based violation, last 10 years
1
Systems with one unresolved
1
Lead service lines in inventories
0

Water systems serving Lyman 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
Tripp County Water User District Winner, Hamill and 8 more and land outside them 4,860 Groundwater 0 0 0
Lower Brule Rural Water Supply System West Brule and Lower Brule and land outside them 1,637 Surface water 1 0 0
Presho Presho 472 Purchased surface water 0 1 0
Oacoma Oacoma 386 Surface water 0 0 0
Kennebec Kennebec 265 Purchased surface water 0 0 0

Systems placed by county record in Lyman County

1 system

EPA has no service area map for this system. It is placed by the county its records name (the counties EPA lists it serving, or the county coded in its ID where EPA lists none), and without a map it is not counted in the figures above.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
WR/LJ - Mni Wiconi County on record 4,720 Purchased surface water 0 0 0

Cities and towns in Lyman County

5 places

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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