CAPITOL WATER CORP
PWSID: ID4010022 · Boise, ID · Serves 9,000 people
According to EPA Safe Drinking Water Information System (SDWIS), CAPITOL WATER CORP (PWSID ID4010022) in Boise, ID is listed as a CWS water system covering about 9,000 people. The same extract lists 8 health-based violation records spanning 2014-2025. Those 8 health-based rows for CAPITOL WATER CORP cover contaminants such as Combined Uranium, LEAD AND COPPER RULE REVISIONS, Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CAPITOL WATER CORP has 8 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Combined Uranium, LEAD AND COPPER RULE REVISIONS, Groundwater Rule. Recorded violations span 2014–2025. Day-to-day primacy enforcement for this system runs through the Idaho drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Idaho state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- ID4010022
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Boise, ID
- Population Served
- 9,000
- Health Violations
- Yes (8)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Uranium | 4 | 4 |
| LEAD AND COPPER RULE REVISIONS | 3 | 3 |
| Groundwater Rule | 1 | 1 |
Violation History (8)
| Contaminant | Health | Date |
|---|---|---|
| Combined Uranium | Yes | Apr 1, 2025 |
| Combined Uranium | Yes | Apr 1, 2025 |
| Combined Uranium | Yes | Jan 1, 2025 |
| Combined Uranium | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Groundwater Rule | Yes | Jan 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for CAPITOL WATER CORP?
How many people does CAPITOL WATER CORP serve?
What violations does CAPITOL WATER CORP have?
What contaminants have been found in CAPITOL WATER CORP water?
Compare beyond Idaho
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CAPITOL WATER CORP on cumulative violation count (8) and EPA-reported population served (9,000). Violation-count peers include Mashantucket Pequot Water System, San Ildefonso Pueblo, TOWAOC WATER SYSTEM. Population peers include GARDEN CITY, WILLOWBROOK, GARDINER WATER DISTRICT.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
CAPITOL WATER CORP (ID4010022) is drawn from EPA SDWIS. Nearby county systems in this extract include VEOLIA WATER IDAHO; MERIDIAN WATER DEPT; KUNA CITY OF; STAR SEWER AND WATER DIST WATER SYSTEM. Health-based rows (8 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.