PlainWater

TIERRA LINDA HOA WATER COMPANY

PWS ID: AZ0410411 · TUCSON, Arizona 85754

TIERRA LINDA HOA WATER COMPANY serves 266 people in TUCSON, Arizona using Groundwater water sources. It has 207 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TIERRA LINDA HOA WATER COMPANY

TIERRA LINDA HOA WATER COMPANY is a public/private-owned community water system that delivers drinking water to 266 residents in TUCSON, Arizona (Pima County) through 109 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 207 total violations for this system , of which 4 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 191 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Chlorine, recorded in 15 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. TIERRA LINDA HOA WATER COMPANY's 207 violations sit above 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
266
Total Violations
207
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
109
County
Pima
School/Daycare
No
MCL Violations
4
Monitoring Violations
191
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 15 2021
Arsenic MR 10 2020
Coliform (TCR) MR 8 2014
1,2,4-Trichlorobenzene MR 7 2014
DICHLOROMETHANE MR 7 2014
o-Dichlorobenzene MR 7 2014
p-Dichlorobenzene MR 7 2014
trans-1,2-Dichloroethylene MR 7 2014
1,2-Dichloroethane MR 7 2014
1,1,1-Trichloroethane MR 7 2014
Carbon tetrachloride MR 7 2014
1,2-Dichloropropane MR 7 2014
1,1,2-Trichloroethane MR 7 2014
Tetrachloroethylene MR 7 2014
CHLOROBENZENE MR 7 2014
Toluene MR 7 2014
Ethylbenzene MR 7 2014
Styrene MR 7 2014
cis-1,2-Dichloroethylene MR 7 2014
Trichloroethylene MR 7 2014
1,1-Dichloroethylene MR 7 2014
Benzene MR 7 2014
Lead and Copper Rule MR 6 2023
Vinyl chloride MR 6 2014
Consumer Confidence Rule Other 6 2018
Xylenes, Total MR 5 2014
Total Haloacetic Acids (HAA5) MR 3 2017
TTHM MR 3 2017
Arsenic MCL 3 2021
Revised Total Coliform Rule MON 2 2017

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 TIERRA LINDA HOA WATER COMPANY.

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 AZ0410411 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 TIERRA LINDA HOA WATER COMPANY 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
2023 Lead and Copper Rule MR 6 SDWIS / AZ0410411 / 5000
2021 Chlorine MR 15 SDWIS / AZ0410411 / 0999
2021 Arsenic MCL 3 SDWIS / AZ0410411 / 1005
2020 Arsenic MR 10 SDWIS / AZ0410411 / 1005
2020 Public Notice Other 2 SDWIS / AZ0410411 / 7500
2018 Consumer Confidence Rule Other 6 SDWIS / AZ0410411 / 7000
2017 Total Haloacetic Acids (HAA5) MR 3 SDWIS / AZ0410411 / 2456
2017 TTHM MR 3 SDWIS / AZ0410411 / 2950
2017 Revised Total Coliform Rule MON 2 SDWIS / AZ0410411 / 8000
2014 Coliform (TCR) MR 8 SDWIS / AZ0410411 / 3100
2014 1,2,4-Trichlorobenzene MR 7 SDWIS / AZ0410411 / 2378
2014 DICHLOROMETHANE MR 7 SDWIS / AZ0410411 / 2964
2014 o-Dichlorobenzene MR 7 SDWIS / AZ0410411 / 2968
2014 p-Dichlorobenzene MR 7 SDWIS / AZ0410411 / 2969
2014 trans-1,2-Dichloroethylene MR 7 SDWIS / AZ0410411 / 2979

How TIERRA LINDA HOA WATER COMPANY Compares

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

Metric TIERRA LINDA HOA WATER COMPANY Arizona avg Federal benchmark
Total violations 207 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 266 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 TIERRA LINDA HOA WATER COMPANY water safe to drink?
TIERRA LINDA HOA WATER COMPANY (PWS ID: AZ0410411) has 207 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 266 people using Groundwater sources.
How many people does TIERRA LINDA HOA WATER COMPANY serve?
TIERRA LINDA HOA WATER COMPANY serves 266 people in TUCSON, Arizona. It is a Public/Private-owned system using Groundwater water sources with 109 service connections.
What type of violations does TIERRA LINDA HOA WATER COMPANY have?
TIERRA LINDA HOA WATER COMPANY has 207 total violations: 4 health-based violations (MCL exceedances or treatment failures), 191 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TIERRA LINDA HOA WATER COMPANY water?
No PFAS testing data is available for TIERRA LINDA HOA WATER COMPANY under the EPA's UCMR5 monitoring program.
What water source does TIERRA LINDA HOA WATER COMPANY use?
TIERRA LINDA HOA WATER COMPANY 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.

Explore PlainWater

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

Related

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