Is GW OCOTILLO WATER - SILVERBELL WEST required to publish a Consumer Confidence Report?

Yes. GW OCOTILLO WATER - SILVERBELL WEST 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 GW OCOTILLO WATER - SILVERBELL WEST’s next Consumer Confidence Report due?

GW OCOTILLO WATER - SILVERBELL WEST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

MARICOPA, AZ · Pima County

GW OCOTILLO WATER - SILVERBELL WEST Water System

Consumer Confidence Report status

GW OCOTILLO WATER - SILVERBELL WEST 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 GW OCOTILLO WATER - SILVERBELL WEST.

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): AZ0410162
System type: Community Water System
Population served: 263
Service connections: 94
Ownership: local government
Water source: groundwater (wells)

GW OCOTILLO WATER - SILVERBELL WEST is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, serving 263 people from groundwater.

As of August 1, 2026, its federal record holds 10 entries between 1984 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.

All 10 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 and synthetic organic chemicals.

Violation history

Monitoring, Regular
—
Toxaphene
January 1, 2019 – January 31, 2019
Resolved
Monitoring, Regular
—
Selenium
January 1, 2019 – January 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Fluoride
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Mercury
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Selenium
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Chromium
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Nitrate
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Barium
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Arsenic
November 8, 1984 – November 7, 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
January 1, 2019 – January 31, 2019	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2019 – January 31, 2019	Monitoring, Regular	Selenium	—	Resolved
October 1, 1987 – December 31, 1987	Monitoring, Regular	Cadmium	—	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	Selenium	—	Archived
October 1, 1987 – December 31, 1987	Monitoring, Regular	Chromium	—	Archived
October 1, 1987 – December 31, 1987	Monitoring, Regular	Nitrate	—	Archived
October 1, 1987 – December 31, 1987	Monitoring, Regular	Barium	—	Archived
November 8, 1984 – November 7, 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

No enforcement actions on record for this system.

Common questions

Is GW OCOTILLO WATER - SILVERBELL WEST required to publish a Consumer Confidence Report?: Yes. GW OCOTILLO WATER - SILVERBELL WEST 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 GW OCOTILLO WATER - SILVERBELL WEST’s next Consumer Confidence Report due?: GW OCOTILLO WATER - SILVERBELL WEST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GW OCOTILLO WATER - SILVERBELL WEST have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for GW OCOTILLO WATER - SILVERBELL WEST.
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

ARMIJO, SUSAN

480-328-9281

MARICOPA, AZ 85138