TUCSON, AZ · Pima County
LA CASITA WATER COMPANY 3 Water System
Consumer Confidence Report status
LA CASITA WATER COMPANY 3 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 LA CASITA WATER COMPANY 3.
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)
- AZ0420606
- System type
- Community Water System
- Population served
- 605
- Service connections
- 248
- Ownership
- privately owned
- Water source
- groundwater (wells)
LA CASITA WATER COMPANY 3 is one of 272 community water systems in Arizona in the 501 to 3,300 people size category, serving 605 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries in 1990, all of which EPA lists as closed. Nothing has been added since 1990.
All 5 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.
Violation history
Monitoring, Regular
—Barium
August 31, 1990 – August 30, 1993
ArchivedMonitoring, Regular
—Chromium
August 31, 1990 – August 30, 1993
ArchivedMonitoring, Regular
—Fluoride
August 31, 1990 – August 30, 1993
ArchivedMonitoring, Regular
—Mercury
August 31, 1990 – August 30, 1993
ArchivedMonitoring, Regular
—Selenium
August 31, 1990 – August 30, 1993
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 31, 1990 – August 30, 1993 | Monitoring, Regular | Barium | — | Archived |
| August 31, 1990 – August 30, 1993 | Monitoring, Regular | Chromium | — | Archived |
| August 31, 1990 – August 30, 1993 | Monitoring, Regular | Fluoride | — | Archived |
| August 31, 1990 – August 30, 1993 | Monitoring, Regular | Mercury | — | Archived |
| August 31, 1990 – August 30, 1993 | Monitoring, Regular | Selenium | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 4, 2010State Compliance achieved440 linked violations
Common questions
Is LA CASITA WATER COMPANY 3 required to publish a Consumer Confidence Report?
- Yes. LA CASITA WATER COMPANY 3 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 LA CASITA WATER COMPANY 3’s next Consumer Confidence Report due?
- LA CASITA WATER COMPANY 3’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LA CASITA WATER COMPANY 3 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LA CASITA WATER COMPANY 3.
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
LA CASITA WATER CO
520-772-5397
TUCSON, AZ 85754