Skip to content
AquaCensus

Public water system · ID4010022

Active

Capitol Water Corp

Community water system in Ada County, Idaho, drawing primarily on groundwater.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

9,000

Service connections

2,811

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDID4010022
System typeCommunity water system
Activity statusActive
Population served9,000
Service connections2,811
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyID state drinking water program
City served
StateIdaho
ZIP

Violations & enforcement

BeganViolationContaminantHealth-basedStatus
2025-10-01032987NoArchived
2025-10-01032380NoArchived
2025-10-01032992NoArchived
2025-10-01032996NoArchived
2025-10-01032989NoArchived
2025-10-01032980NoArchived
2025-10-01032985NoArchived
2025-10-01032981NoArchived
2025-10-01032983NoArchived
2025-10-01032984NoArchived
2025-10-01032968NoArchived
2025-10-01032964NoArchived

Capitol Water Corp: frequently asked questions

Is Capitol Water Corp's water safe to drink?

Capitol Water Corp is an active community water system regulated under the Safe Drinking Water Act, overseen by the ID state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Capitol Water Corp?

Capitol Water Corp (PWSID ID4010022) is a private-owned community water system, regulated by the ID state drinking water program.

How many people does Capitol Water Corp serve?

Capitol Water Corp reports serving 9,000 people through 2,811 service connections in Ada County, Idaho.

Where does Capitol Water Corp get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Ada County

Water systemCountyPopulation servedTypeSource
Veolia Water IdahoAda264,978CommunitySurface water
Meridian Water DeptAda147,340CommunityGroundwater
Kuna City ofAda32,038CommunityGroundwater
Star Sewer and Water Dist Water SystemAda14,000CommunityGroundwater
Garden City Water and Sewer SystemAda12,500CommunityGroundwater
Eagle, City of (Western Zone)Ada6,108CommunityGroundwater