When: December 22, 2022 – January 11, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Enforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Enforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Enforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Enforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Enforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Enforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Enforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Enforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Enforcement: Formal — state order issued
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About TEMPE WSC 1
Is TEMPE WSC 1 water safe to drink?
TEMPE WSC 1 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 418 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TEMPE WSC 1 detected?
1 contaminants were tested in TEMPE WSC 1's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does TEMPE WSC 1 have any EPA violations?
Yes, TEMPE WSC 1 has 418 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other, MR. 291 are health-based violations.
How many people does TEMPE WSC 1 serve?
TEMPE WSC 1 serves approximately 2,725 people, Texas.
What type of water does TEMPE WSC 1 provide?
TEMPE WSC 1 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1870105.
How does TEMPE WSC 1 compare to other utilities in Texas?
TEMPE WSC 1 scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.