NAMPA, ID · Canyon County
NAMPA CITY OF Water System
Consumer Confidence Report status
NAMPA CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for NAMPA CITY OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.
System facts
- System ID (PWSID)
- ID3140080
- System type
- Community Water System
- Population served
- 100,200
- Service connections
- 38,361
- Ownership
- local government
- Water source
- groundwater (wells)
NAMPA CITY OF is the third largest community water system in Idaho, serving 100,200 people from groundwater.
As of August 1, 2026, its federal record holds 36 entries between 2011 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
All 36 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals and volatile organic chemicals.
Violation history
Monitoring, Regular
—Ethylbenzene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Diquat
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Carbofuran
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Heptachlor
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—2,4-D
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Chlordane
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Diquat
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Glyphosate
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Simazine
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Picloram
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Dinoseb
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Atrazine
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—LASSO
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—2,4-D
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Xylenes, Total
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2011 – December 31, 2013
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Carbofuran | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Heptachlor | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 2,4-D | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Chlordane | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Glyphosate | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Simazine | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Picloram | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | LASSO | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 2,4-D | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Xylenes, Total | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- May 13, 2023State Public Notification requested1 linked violation
- May 10, 2023State Violation/Reminder Notice2 linked violations
- February 25, 2023State Public Notification requested30 linked violations
- February 25, 2023State Public Notification requested23 linked violations
- February 25, 2023State Public Notification requested30 linked violations
- February 22, 2023State Violation/Reminder Notice30 linked violations
- February 22, 2023State Violation/Reminder Notice24 linked violations
- February 22, 2023State Violation/Reminder Notice31 linked violations
- October 13, 2004State Compliance achieved22 linked violations
- August 27, 2004State Compliance achieved24 linked violations
Common questions
Is NAMPA CITY OF required to publish a Consumer Confidence Report?
- Yes. NAMPA CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is NAMPA CITY OF’s next Consumer Confidence Report due?
- NAMPA CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does NAMPA CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for NAMPA CITY OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
WENDLER, SHANE P
208-468-5860
NAMPA, ID 83651