Public water system record

Mt Lemmon DWID

Serves Summerhaven, Pima County, AZ · 290 people served

Federal records show no health-based violations and 12 monitoring/reporting issues for Mt Lemmon DWID in the last ten years. At least one of these issues remains unresolved.

  • AZ0410140
  • TUCSON
  • AZ
  • 290 served

System profile

Source water Groundwater
ZIP 85730
EPA system ID AZ0410140

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
12

Key facts

  • Mt Lemmon DWID draws water from 1 well and 2 springs (1 of them for emergency, seasonal or other part-time use).
  • Record on file since 1980, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 115 unknown out of 347 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
LEAD AND COPPER RULE REVISIONS
RPT
Jul 2, 2025 Active
Public Notice
OTHER
Mar 24, 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
Feb 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Revised Total Coliform Rule
RPT
May 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Nov 3, 2017 Resolved

Full record since 1980

EPA's records for Mt Lemmon DWID go back to 1980. Before October 19, 2016 they list no health-based violations and 207 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 0 134
2000s 0 38
2010 to October 18, 2016 0 34
October 19, 2016 to 2019 0 1
2020s 0 11

Where the water comes from

Mt Lemmon DWID draws water from 1 well and 2 springs (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Mt Lemmon DWID 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 Mt Lemmon DWID 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.