PlainWater

LAKE MARY COUNTRY STORE

PWS ID: AZ0403067 · FLAGSTAFF, Arizona 86005

LAKE MARY COUNTRY STORE serves 130 people in FLAGSTAFF, Arizona using Groundwater water sources. It has 157 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LAKE MARY COUNTRY STORE

LAKE MARY COUNTRY STORE is a public/private-owned community water system that delivers drinking water to 130 residents in FLAGSTAFF, Arizona (Coconino County) through 82 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 157 total violations for this system , of which 5 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 100 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 41 violations (Other). 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. LAKE MARY COUNTRY STORE's 157 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
130
Total Violations
157
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
82
County
Coconino
School/Daycare
No
MCL Violations
2
Monitoring Violations
100
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 41 2025
Nitrite MR 30 2015
Lead and Copper Rule MR 11 2025
Coliform (TCR) MR 9 2014
Revised Total Coliform Rule MON 4 2020
Public Notice Other 4 2022
LEAD AND COPPER RULE REVISIONS RPT 3 2024
LEAD AND COPPER RULE REVISIONS TT 3 2024
Coliform (TCR) MCL 2 2007
OXAMYL MR 1 1998
Simazine MR 1 1998
Picloram MR 1 1998
Dinoseb MR 1 1998
Hexachlorocyclopentadiene MR 1 1998
Endrin MR 1 1998
Heptachlor MR 1 1998
Heptachlor epoxide MR 1 1998
2,4-D MR 1 1998
Benzo(a)pyrene MR 1 1998
Chlordane MR 1 1998
BHC-GAMMA MR 1 1998
Revised Total Coliform Rule RPT 1 2017
Toxaphene MR 1 1998
Dalapon MR 1 1998
Glyphosate MR 1 1998
Di(2-ethylhexyl) adipate MR 1 1998
Endothall MR 1 1998
1,1,1-Trichloroethane MR 1 1987
1,2-Dichloroethane MR 1 1987
Carbon tetrachloride MR 1 1987

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 LAKE MARY COUNTRY STORE.

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 AZ0403067 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 LAKE MARY COUNTRY STORE 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
2025 Consumer Confidence Rule Other 41 SDWIS / AZ0403067 / 7000
2025 Lead and Copper Rule MR 11 SDWIS / AZ0403067 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / AZ0403067 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 3 SDWIS / AZ0403067 / 5200
2022 Public Notice Other 4 SDWIS / AZ0403067 / 7500
2020 Revised Total Coliform Rule MON 4 SDWIS / AZ0403067 / 8000
2017 Revised Total Coliform Rule RPT 1 SDWIS / AZ0403067 / 8000
2015 Nitrite MR 30 SDWIS / AZ0403067 / 1041
2014 Coliform (TCR) MR 9 SDWIS / AZ0403067 / 3100
2007 Coliform (TCR) MCL 2 SDWIS / AZ0403067 / 3100
1998 OXAMYL MR 1 SDWIS / AZ0403067 / 2036
1998 Simazine MR 1 SDWIS / AZ0403067 / 2037
1998 Picloram MR 1 SDWIS / AZ0403067 / 2040
1998 Dinoseb MR 1 SDWIS / AZ0403067 / 2041
1998 Hexachlorocyclopentadiene MR 1 SDWIS / AZ0403067 / 2042

How LAKE MARY COUNTRY STORE Compares

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

Metric LAKE MARY COUNTRY STORE Arizona avg Federal benchmark
Total violations 157 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 130 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 LAKE MARY COUNTRY STORE water safe to drink?
LAKE MARY COUNTRY STORE (PWS ID: AZ0403067) has 157 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 130 people using Groundwater sources.
How many people does LAKE MARY COUNTRY STORE serve?
LAKE MARY COUNTRY STORE serves 130 people in FLAGSTAFF, Arizona. It is a Public/Private-owned system using Groundwater water sources with 82 service connections.
What type of violations does LAKE MARY COUNTRY STORE have?
LAKE MARY COUNTRY STORE has 157 total violations: 5 health-based violations (MCL exceedances or treatment failures), 100 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LAKE MARY COUNTRY STORE water?
No PFAS testing data is available for LAKE MARY COUNTRY STORE under the EPA's UCMR5 monitoring program.
What water source does LAKE MARY COUNTRY STORE use?
LAKE MARY COUNTRY STORE 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 PlainWater Editorial