Public water system record

Flowing Wells Irrigation District

Serves Tucson and Flowing Wells, Pima County, AZ · 16,000 people served

Federal records show 1 health-based violation and 82 monitoring/reporting issues for Flowing Wells Irrigation District in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • AZ0410051
  • TUCSON
  • AZ
  • 16,000 served

System profile

Source water Groundwater
ZIP 85705
EPA system ID AZ0410051

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
82

Key facts

  • Flowing Wells Irrigation District draws water from 9 wells.
  • Record on file since 1986, with 1 health-based violation before October 19, 2016.

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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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Styrene
Monitoring and reporting
Jul 1, 2025 Resolved
Ethylbenzene
Monitoring and reporting
Jul 1, 2025 Resolved
Toluene
Monitoring and reporting
Jul 1, 2025 Resolved
Benzene
Monitoring and reporting
Jul 1, 2025 Resolved
CHLOROBENZENE
Monitoring and reporting
Jul 1, 2025 Resolved
Tetrachloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jul 1, 2025 Resolved
Trichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jul 1, 2025 Resolved
Carbon tetrachloride
Monitoring and reporting
Jul 1, 2025 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jul 1, 2025 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jul 1, 2025 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
Vinyl chloride
Monitoring and reporting
Jul 1, 2025 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jul 1, 2025 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jul 1, 2025 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jul 1, 2025 Resolved
Xylenes, Total
Monitoring and reporting
Jul 1, 2025 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jul 1, 2025 Resolved
Styrene
Monitoring and reporting
Jul 1, 2025 Resolved
Ethylbenzene
Monitoring and reporting
Jul 1, 2025 Resolved
Toluene
Monitoring and reporting
Jul 1, 2025 Resolved
Benzene
Monitoring and reporting
Jul 1, 2025 Resolved
CHLOROBENZENE
Monitoring and reporting
Jul 1, 2025 Resolved
Tetrachloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jul 1, 2025 Resolved
Trichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jul 1, 2025 Resolved
Carbon tetrachloride
Monitoring and reporting
Jul 1, 2025 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jul 1, 2025 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jul 1, 2025 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
Vinyl chloride
Monitoring and reporting
Jul 1, 2025 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jul 1, 2025 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jul 1, 2025 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jul 1, 2025 Resolved
Xylenes, Total
Monitoring and reporting
Jul 1, 2025 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2025 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jul 1, 2025 Resolved
Public Notice
OTHER
Apr 12, 2025 Resolved
Public Notice
OTHER
Dec 20, 2024 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2023 Resolved
Arsenic
Monitoring and reporting
Apr 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2021 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Nov 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Nov 1, 2019 Resolved
Arsenic
Monitoring and reporting
Oct 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2019 Resolved
Styrene
Monitoring and reporting
Jan 1, 2019 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2019 Resolved
Toluene
Monitoring and reporting
Jan 1, 2019 Resolved
Benzene
Monitoring and reporting
Jan 1, 2019 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2019 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2019 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2019 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2019 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2019 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2019 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2018 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2018 Resolved

Full record since 1986

EPA's records for Flowing Wells Irrigation District go back to 1986. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 721 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 9
1990s 0 251
2000s 1 433
2010 to October 18, 2016 0 28
October 19, 2016 to 2019 0 28
2020s 1 54

Most recent health-based violation before October 19, 2016: Arsenic, began January 2001, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Jan 1, 2001 Resolved

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Flowing Wells Irrigation District draws water from 9 wells. 1 other public water system has an emergency connection to Flowing Wells Irrigation District.

Annual water quality report

Flowing Wells Irrigation District 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.