PlainWater
States → Utah

MEXICAN HAT SSD

PWS ID: UTAH19008 · BLANDING, Utah 84511

MEXICAN HAT SSD serves 40 people in BLANDING, Utah using Groundwater water sources. It has 512 recorded EPA violations, including 21 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MEXICAN HAT SSD

MEXICAN HAT SSD is a local-owned community water system that delivers drinking water to 40 residents in BLANDING, Utah (San Juan County) through 40 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 512 total violations for this system , of which 21 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 429 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 Coliform (TCR), recorded in 45 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 Utah, EPA tracks 1,068 public water systems serving 3,870,776 people, with 169,784 cumulative violations and 10,671 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 159 violations. MEXICAN HAT SSD's 512 violations sit above the Utah average. Statewide, 91 of 129 UCMR5-tested systems have reported PFAS detections (70.5%). 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
40
Total Violations
512
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
40
County
San Juan
School/Daycare
No
MCL Violations
15
Monitoring Violations
429
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 45 2010
Nitrate MR 15 2022
Coliform (TCR) MCL 15 2009
Consumer Confidence Rule Other 13 2025
Coliform (TCR) Other 11 2000
Lead and Copper Rule MR 10 2019
Surface Water Treatment Rule MR 9 2017
BHC-GAMMA MR 8 2020
Methoxychlor MR 8 2020
Toxaphene MR 8 2020
Di(2-ethylhexyl) adipate MR 8 2020
Simazine MR 8 2020
Dinoseb MR 8 2020
Hexachlorocyclopentadiene MR 8 2020
Atrazine MR 8 2020
2,4-D MR 8 2020
2,4,5-TP MR 8 2020
HEXACHLOROBENZENE MR 8 2020
Pentachlorophenol MR 8 2020
Chlordane MR 8 2020
Dalapon MR 8 2020
Di(2-ethylhexyl) phthalate MR 8 2020
Picloram MR 8 2020
Carbofuran MR 8 2020
LASSO MR 8 2020
Heptachlor epoxide MR 8 2020
Total Polychlorinated Biphenyls (PCB) MR 8 2020
OXAMYL MR 8 2020
Benzo(a)pyrene MR 8 2020
Heptachlor MR 8 2020

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 MEXICAN HAT SSD.

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 UTAH19008 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Utah Drinking Water Authority

Utah's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find UT regulator via EPA SDWIS

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 13 SDWIS / UTAH19008 / 7000
2022 Nitrate MR 15 SDWIS / UTAH19008 / 1040
2020 BHC-GAMMA MR 8 SDWIS / UTAH19008 / 2010
2020 Methoxychlor MR 8 SDWIS / UTAH19008 / 2015
2020 Toxaphene MR 8 SDWIS / UTAH19008 / 2020
2020 Di(2-ethylhexyl) adipate MR 8 SDWIS / UTAH19008 / 2035
2020 Simazine MR 8 SDWIS / UTAH19008 / 2037
2020 Dinoseb MR 8 SDWIS / UTAH19008 / 2041
2020 Hexachlorocyclopentadiene MR 8 SDWIS / UTAH19008 / 2042
2020 Atrazine MR 8 SDWIS / UTAH19008 / 2050
2020 2,4-D MR 8 SDWIS / UTAH19008 / 2105
2020 2,4,5-TP MR 8 SDWIS / UTAH19008 / 2110
2020 HEXACHLOROBENZENE MR 8 SDWIS / UTAH19008 / 2274
2020 Pentachlorophenol MR 8 SDWIS / UTAH19008 / 2326
2020 Chlordane MR 8 SDWIS / UTAH19008 / 2959

How MEXICAN HAT SSD Compares

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

Metric MEXICAN HAT SSD Utah avg Federal benchmark
Total violations 512 159 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 21 10 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 40 3,624 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,068 regulated public water systems in Utah.

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 MEXICAN HAT SSD water safe to drink? ▼
MEXICAN HAT SSD (PWS ID: UTAH19008) has 512 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does MEXICAN HAT SSD serve? ▼
MEXICAN HAT SSD serves 40 people in BLANDING, Utah. It is a Local-owned system using Groundwater water sources with 40 service connections.
What type of violations does MEXICAN HAT SSD have? ▼
MEXICAN HAT SSD has 512 total violations: 21 health-based violations (MCL exceedances or treatment failures), 429 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MEXICAN HAT SSD water? ▼
No PFAS testing data is available for MEXICAN HAT SSD under the EPA's UCMR5 monitoring program.
What water source does MEXICAN HAT SSD use? ▼
MEXICAN HAT SSD 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

Water in Utah

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Utah

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial