GREEN VALLEY, AZ · Pima County
SUMMIT WATER COMPANY Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of November 7, 2019. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Pima County, AZ.
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 Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.
System facts
- System ID (PWSID)
- AZ0420178
- System type
- Community Water System
- Population served
- 22
- Service connections
- 13
- Ownership
- privately owned
- Water source
- groundwater (wells)
SUMMIT WATER COMPANY is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, formerly serving 22 people from groundwater.
EPA's federal records list this system as inactive in 2019; the record below is historical.
As of August 1, 2026, its federal record holds 20 entries between 1984 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
All 20 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 inorganic chemicals, the Radionuclides and Revised Rad Rule, and the Total Coliform Rules.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2019 – September 30, 2019
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2015 – July 31, 2015
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
December 18, 1988 – December 17, 1992
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1988 – December 31, 1988
ArchivedMonitoring, Regular
—Arsenic
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Mercury
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Nitrate
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Selenium
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Fluoride
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Cadmium
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Barium
April 30, 1988 – April 29, 1991
ArchivedMonitoring, Regular
—Fluoride
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Mercury
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Nitrate
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Selenium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Chromium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Barium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Cadmium
October 1, 1987 – December 31, 1987
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
December 31, 1984 – December 31, 1988
ArchivedMonitoring, Regular
—Arsenic
November 13, 1984 – November 12, 1987
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 2019 – September 30, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2015 – July 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 18, 1988 – December 17, 1992 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 1988 – December 31, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Arsenic | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Mercury | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Nitrate | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Selenium | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Fluoride | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Cadmium | — | Archived |
| April 30, 1988 – April 29, 1991 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Selenium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1987 – December 31, 1987 | Monitoring, Regular | Cadmium | — | Archived |
| December 31, 1984 – December 31, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| November 13, 1984 – November 12, 1987 | Monitoring, Regular | Arsenic | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 30, 2008Federal Final Administrative Order issuedgeneral compliance action — not tied to a specific violation on record
- September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
NOON, JONI
Phone not on record
GREEN VALLEY, AZ 85614