Is CS EL PRADO WATER COMPANY required to publish a Consumer Confidence Report?

Yes. CS EL PRADO WATER COMPANY 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 CS EL PRADO WATER COMPANY’s next Consumer Confidence Report due?

CS EL PRADO WATER COMPANY’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.

DES PERES, AZ · Yuma County

CS EL PRADO WATER COMPANY Water System

Consumer Confidence Report status

CS EL PRADO WATER COMPANY 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 CS EL PRADO WATER COMPANY.

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): AZ0414442
System type: Community Water System
Population served: 404
Service connections: 158
Ownership: privately owned
Water source: groundwater (wells)

CS EL PRADO WATER COMPANY is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, serving 404 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 1980 and 2025, all of which EPA lists as closed.

Of the 6, 3 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 the Public Notice Rule and Revised PN Rule, the Lead and Copper Rule, and inorganic chemicals.

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
August 17, 2025 – September 18, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2024 – October 22, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2019 – March 31, 2019
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2015 – March 6, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2015 – March 31, 2015
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1980 – August 31, 1980
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
August 17, 2025 – September 18, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2024 – October 22, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2015 – March 6, 2017	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
March 1, 2015 – March 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1980 – August 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 20, 2024State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 1, 2022State Compliance achieved49 linked violations
March 16, 2022State Violation/Reminder Notice57 linked violations
January 28, 2010State Violation/Reminder Notice60 linked violations
June 27, 2003State Compliance achieved834 linked violations
September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
September 24, 1980State Othergeneral compliance action — not tied to a specific violation on record

Common questions

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

KRIESS, FRED

602-698-9786

DES PERES, MO 63131