PlainWater
States → Utah

Community Water System · PWS UTAH19077

Rockland Ranch

Monticello, Utah 84535 - drinking water served from groundwater sources to 175 people, tracked in EPA SDWIS and UCMR5.

175
People served
1,661
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,661 drinking-water violations at Rockland Ranch, 1% of them health-based - above the Utah per-system average.

1,661
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
175
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rockland Ranch

Rockland Ranch is a private-owned community water system that delivers drinking water to 175 residents in Monticello, Utah (San Juan County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,661 total violations for this system , of which 9 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,632 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 Radium-226, recorded in 35 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. Statewide, 91 of 129 UCMR5-tested systems have reported PFAS detections (70.5%).

Rockland Ranch's 1,661 violations sit above the Utah average.

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
175
Total Violations
1,661
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
San Juan
School/Daycare
No
MCL Violations
3
Monitoring Violations
1,632
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Radium-226 MR 35 2014
Radium-228 MR 35 2014
Gross Alpha, Excl. Radon and U MR 35 2014
Picloram MR 32 2020
Hexachlorocyclopentadiene MR 32 2020
Carbofuran MR 32 2020
Atrazine MR 32 2020
LASSO MR 32 2020
Heptachlor epoxide MR 32 2020
2,4,5-TP MR 32 2020
HEXACHLOROBENZENE MR 32 2020
Benzo(a)pyrene MR 32 2020
Total Polychlorinated Biphenyls (PCB) MR 32 2020
Di(2-ethylhexyl) phthalate MR 32 2020
BHC-GAMMA MR 32 2020
Toxaphene MR 32 2020
Dalapon MR 32 2020
Di(2-ethylhexyl) adipate MR 32 2020
2,4-D MR 32 2020
Dinoseb MR 32 2020
Chlordane MR 32 2020
OXAMYL MR 32 2020
Simazine MR 32 2020
Heptachlor MR 32 2020
Endrin MR 32 2020
Methoxychlor MR 32 2020
Pentachlorophenol MR 32 2020
1,2,4-Trichlorobenzene MR 27 2022
DICHLOROMETHANE MR 27 2022
o-Dichlorobenzene MR 27 2022

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 Rockland Ranch.

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 UTAH19077 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 Revised Total Coliform Rule MON 7 SDWIS / UTAH19077 / 8000
2023 Revised Total Coliform Rule TT 3 SDWIS / UTAH19077 / 8000
2022 1,2,4-Trichlorobenzene MR 27 SDWIS / UTAH19077 / 2378
2022 DICHLOROMETHANE MR 27 SDWIS / UTAH19077 / 2964
2022 o-Dichlorobenzene MR 27 SDWIS / UTAH19077 / 2968
2022 Vinyl chloride MR 27 SDWIS / UTAH19077 / 2976
2022 1,2-Dichloroethane MR 27 SDWIS / UTAH19077 / 2980
2022 1,1,1-Trichloroethane MR 27 SDWIS / UTAH19077 / 2981
2022 1,2-Dichloropropane MR 27 SDWIS / UTAH19077 / 2983
2022 Trichloroethylene MR 27 SDWIS / UTAH19077 / 2984
2022 CHLOROBENZENE MR 27 SDWIS / UTAH19077 / 2989
2022 Benzene MR 27 SDWIS / UTAH19077 / 2990
2022 Toluene MR 27 SDWIS / UTAH19077 / 2991
2022 Ethylbenzene MR 27 SDWIS / UTAH19077 / 2992
2022 Xylenes, Total MR 27 SDWIS / UTAH19077 / 2955

How Rockland Ranch Compares

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

Metric Rockland Ranch Utah avg Federal benchmark
Total violations 1,661 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 175 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Rockland Ranch water safe to drink? ▼
Rockland Ranch (PWS ID: UTAH19077) has 1661 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 175 people using Groundwater sources.
How many people does Rockland Ranch serve? ▼
Rockland Ranch serves 175 people in Monticello, Utah. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does Rockland Ranch have? ▼
Rockland Ranch has 1,661 total violations: 9 health-based violations (MCL exceedances or treatment failures), 1,632 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rockland Ranch water? ▼
No PFAS testing data is available for Rockland Ranch under the EPA's UCMR5 monitoring program.
What water source does Rockland Ranch use? ▼
Rockland Ranch 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.