Public water system record

GW Saguaro Dist Water Co - Rincon

Serves an area of Pima County, AZ that includes Tucson and Rincon Valley · 232 people served

Federal records show 17 health-based violations and 13 monitoring/reporting issues for GW Saguaro Dist Water Co - Rincon in the last ten years. The most serious issue in this window was a resolved Fluoride violation.

  • AZ0410144
  • PHOENIX
  • AZ
  • 232 served

System profile

Source water Groundwater
ZIP 85027
EPA system ID AZ0410144

Verify this system on EPA ECHO →

Health-based violations, last 10 years
17
Resolved
17
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
13

Key facts

  • GW Saguaro Dist Water Co - Rincon draws water from 1 well.
  • Highest measured level in the last 10 years: Fluoride, 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit), 2023.
  • Record on file since 1987, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 85 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Fluoride
Contaminant limit exceeded
Measured 4.2 mg/L, federal limit 4 mg/L (1.1 times the limit)
330 Jan 1, 2025 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
330 Oct 1, 2024 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
330 Jul 1, 2024 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Apr 1, 2024 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
330 Jan 1, 2024 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Oct 1, 2023 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Jul 1, 2023 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Apr 1, 2023 Resolved No
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
330 Jan 1, 2023 Resolved No
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
330 Oct 1, 2022 Resolved No
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
330 Jul 1, 2022 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Apr 1, 2022 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Jan 1, 2022 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Oct 1, 2021 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Jul 1, 2021 Resolved No
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
330 Apr 1, 2021 Resolved No
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
330 Jan 1, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Fluoride
Monitoring and reporting
Jul 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2023 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Oct 2, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Oct 2, 2020 Resolved
Revised Total Coliform Rule
OTHER
Jun 6, 2020 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2016 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2014 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2009 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2006 Resolved

Full record since 1987

EPA's records for GW Saguaro Dist Water Co - Rincon go back to 1987. Before October 19, 2016 they list no health-based violations and 23 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 2
1990s 0 8
2000s 0 9
2010 to October 18, 2016 0 4
2020s 17 8

What the violations mean

Fluoride

17 incidents

Fluoride exceeded the federal limit

Excessive fluoride can cause dental and skeletal fluorosis

Where the water comes from

GW Saguaro Dist Water Co - Rincon draws water from 1 well.

Annual water quality report

GW Saguaro Dist Water Co - Rincon must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask GW Saguaro Dist Water Co - Rincon for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.