Tap Truth EPA drinking water records, in plain English

County drinking water records

Calhoun County, IA drinking water systems

11 community water systems serve Calhoun County, IA, reporting 7,668 people served in all.

2 of them (18%) had at least one health-based violation in the last 10 years. 1 system still has one unresolved.

11 rely mainly on groundwater, counting water bought from other systems.

Their lead service line inventories list 79 lead lines, 174 galvanized lines that must be replaced and 1,933 lines of unknown material.

1 more system is placed in Calhoun County, IA 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
11
People served, sum of each system's own figure
7,668
Systems with a health-based violation, last 10 years
2
Systems with one unresolved
1
Lead service lines in inventories
79

Water systems serving Calhoun County

11 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
Rockwell City Water Supply Rockwell City 2,250 Groundwater 0 0 40
Lake City Water Supply Lake City 1,731 Groundwater 0 0 1
Manson Water Supply Manson 1,709 Groundwater 0 1 8
Pomeroy Water Supply Pomeroy 671 Groundwater 1 0 7
Lohrville Water Supply Lohrville 381 Groundwater 0 0 23
Farnhamville Water Supply Farnhamville 379 Groundwater 0 0 0
Twin Lakes Utilities Twin Lakes and Rockwell City 300 Purchased groundwater 0 0 0
Somers Water Works Somers 128 Groundwater 0 0 0
Knierim Water Supply Knierim 53 Groundwater 8 0 0
Rinard Water Supply Rinard 38 Groundwater 0 0 0
Jolley Water Supply Jolley 28 Groundwater 0 0 0

Systems placed by county record in Calhoun County

1 system

The service area map EPA has for this system does not line up with its own records. 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
Lytton Water Department County on record 282 Groundwater 0 0 0

Cities and towns in Calhoun County

11 places

Back to Iowa

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