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THIM WATER COMPANY 2

PWS ID: AZ0410264 · TUCSON, Arizona 85754

THIM WATER COMPANY 2 serves 247 people in TUCSON, Arizona using Groundwater water sources. It has 104 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: THIM WATER COMPANY 2

THIM WATER COMPANY 2 is a private-owned community water system that delivers drinking water to 247 residents in TUCSON, Arizona (Pima County) through 101 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 104 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 94 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 9 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. THIM WATER COMPANY 2's 104 violations sit below the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
247
Total Violations
104
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
101
County
Pima
School/Daycare
No
MCL Violations
0
Monitoring Violations
94
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2013
Coliform (TCR) MR 8 2015
Consumer Confidence Rule Other 6 2008
Nitrate MR 3 2005
TTHM MR 3 2021
Total Haloacetic Acids (HAA5) MR 3 2021
p-Dichlorobenzene MR 2 2001
trans-1,2-Dichloroethylene MR 2 2001
1,1,1-Trichloroethane MR 2 2001
Carbon tetrachloride MR 2 2001
1,1,2-Trichloroethane MR 2 2001
Tetrachloroethylene MR 2 2001
CHLOROBENZENE MR 2 2001
Benzene MR 2 2001
Toluene MR 2 2001
Ethylbenzene MR 2 2001
Styrene MR 2 2001
Public Notice Other 2 2022
cis-1,2-Dichloroethylene MR 2 2001
DICHLOROMETHANE MR 2 2001
o-Dichlorobenzene MR 2 2001
1,2-Dichloroethane MR 2 2001
1,2-Dichloropropane MR 2 2001
1,1-Dichloroethylene MR 2 2001
Trichloroethylene MR 2 2001
Endrin MR 1 2006
BHC-GAMMA MR 1 2006
Toxaphene MR 1 2006
Endothall MR 1 2006
Glyphosate MR 1 2006

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for THIM WATER COMPANY 2.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0410264 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ — Drinking Water Program is the primacy agency that licenses and inspects THIM WATER COMPANY 2 under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ — Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Public Notice Other 2 SDWIS / AZ0410264 / 7500
2021 TTHM MR 3 SDWIS / AZ0410264 / 2950
2021 Total Haloacetic Acids (HAA5) MR 3 SDWIS / AZ0410264 / 2456
2015 Coliform (TCR) MR 8 SDWIS / AZ0410264 / 3100
2015 Chlorine MR 1 SDWIS / AZ0410264 / 0999
2013 Lead and Copper Rule MR 9 SDWIS / AZ0410264 / 5000
2008 Consumer Confidence Rule Other 6 SDWIS / AZ0410264 / 7000
2006 Endrin MR 1 SDWIS / AZ0410264 / 2005
2006 BHC-GAMMA MR 1 SDWIS / AZ0410264 / 2010
2006 Toxaphene MR 1 SDWIS / AZ0410264 / 2020
2006 Endothall MR 1 SDWIS / AZ0410264 / 2033
2006 Glyphosate MR 1 SDWIS / AZ0410264 / 2034
2006 Di(2-ethylhexyl) adipate MR 1 SDWIS / AZ0410264 / 2035
2006 OXAMYL MR 1 SDWIS / AZ0410264 / 2036
2006 Di(2-ethylhexyl) phthalate MR 1 SDWIS / AZ0410264 / 2039

How THIM WATER COMPANY 2 Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric THIM WATER COMPANY 2 Arizona avg Federal benchmark
Total violations 104 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 247 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is THIM WATER COMPANY 2 water safe to drink? ▼
THIM WATER COMPANY 2 (PWS ID: AZ0410264) has 104 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 247 people using Groundwater sources.
How many people does THIM WATER COMPANY 2 serve? ▼
THIM WATER COMPANY 2 serves 247 people in TUCSON, Arizona. It is a Private-owned system using Groundwater water sources with 101 service connections.
What type of violations does THIM WATER COMPANY 2 have? ▼
THIM WATER COMPANY 2 has 104 total violations: 0 health-based violations (MCL exceedances or treatment failures), 94 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in THIM WATER COMPANY 2 water? ▼
No PFAS testing data is available for THIM WATER COMPANY 2 under the EPA's UCMR5 monitoring program.
What water source does THIM WATER COMPANY 2 use? ▼
THIM WATER COMPANY 2 uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial