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Community Water System · PWS NV0000931

Sierra Country Estates

Minden, Nevada 89423 - drinking water served from groundwater sources to 47 people, tracked in EPA SDWIS and UCMR5.

47
People served
874
EPA violations
32
Health-based
Untested
UCMR5 result

The verdict

EPA records 874 drinking-water violations at Sierra Country Estates, 4% of them health-based - above the Nevada per-system average.

874
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
47
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sierra Country Estates

Sierra Country Estates is a private-owned community water system that delivers drinking water to 47 residents in Minden, Nevada (Douglas County) through 27 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 874 total violations for this system , of which 32 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 816 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 38 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 Nevada, EPA tracks 589 public water systems serving 3,455,285 people, with 56,333 cumulative violations and 6,657 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 95.6 violations. Statewide, 50 of 57 UCMR5-tested systems have reported PFAS detections (87.7%).

Sierra Country Estates's 874 violations sit above the Nevada 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
47
Total Violations
874
Health-Based Violations
32
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
27
County
Douglas
School/Daycare
No
MCL Violations
0
Monitoring Violations
816
Treatment Tech Violations
32

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 38 2013
Benzene MR 32 2005
Toluene MR 32 2005
Ethylbenzene MR 32 2005
1,2,4-Trichlorobenzene MR 32 2005
DICHLOROMETHANE MR 32 2005
1,1,2-Trichloroethane MR 32 2005
p-Dichlorobenzene MR 32 2005
1,1-Dichloroethylene MR 32 2005
trans-1,2-Dichloroethylene MR 32 2005
1,2-Dichloroethane MR 32 2005
1,1,1-Trichloroethane MR 32 2005
Carbon tetrachloride MR 32 2005
1,2-Dichloropropane MR 32 2005
Tetrachloroethylene MR 32 2005
Vinyl chloride MR 32 2005
Trichloroethylene MR 32 2005
cis-1,2-Dichloroethylene MR 32 2005
Styrene MR 32 2005
o-Dichlorobenzene MR 32 2005
CHLOROBENZENE MR 32 2005
Xylenes, Total MR 32 2005
Lead and Copper Rule TT 32 2013
Coliform (TCR) MR 30 2013
Consumer Confidence Rule Other 17 2013
Nitrate MR 16 2008
Cadmium MR 6 2002
Mercury MR 6 2002
Nickel MR 6 2002
Antimony, Total MR 6 2002

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 Sierra Country Estates.

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 NV0000931 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Nevada Drinking Water Authority

Nevada'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 NV 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
2013 Lead and Copper Rule MR 38 SDWIS / NV0000931 / 5000
2013 Lead and Copper Rule TT 32 SDWIS / NV0000931 / 5000
2013 Coliform (TCR) MR 30 SDWIS / NV0000931 / 3100
2013 Consumer Confidence Rule Other 17 SDWIS / NV0000931 / 7000
2013 Groundwater Rule Other 1 SDWIS / NV0000931 / 0700
2008 Nitrate MR 16 SDWIS / NV0000931 / 1040
2005 Benzene MR 32 SDWIS / NV0000931 / 2990
2005 Toluene MR 32 SDWIS / NV0000931 / 2991
2005 Ethylbenzene MR 32 SDWIS / NV0000931 / 2992
2005 1,2,4-Trichlorobenzene MR 32 SDWIS / NV0000931 / 2378
2005 DICHLOROMETHANE MR 32 SDWIS / NV0000931 / 2964
2005 1,1,2-Trichloroethane MR 32 SDWIS / NV0000931 / 2985
2005 p-Dichlorobenzene MR 32 SDWIS / NV0000931 / 2969
2005 1,1-Dichloroethylene MR 32 SDWIS / NV0000931 / 2977
2005 trans-1,2-Dichloroethylene MR 32 SDWIS / NV0000931 / 2979

How Sierra Country Estates Compares

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

Metric Sierra Country Estates Nevada avg Federal benchmark
Total violations 874 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 32 11.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 87.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 47 5,866 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 589 regulated public water systems in Nevada.

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 Sierra Country Estates water safe to drink? ▼
Sierra Country Estates (PWS ID: NV0000931) has 874 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 47 people using Groundwater sources.
How many people does Sierra Country Estates serve? ▼
Sierra Country Estates serves 47 people in Minden, Nevada. It is a Private-owned system using Groundwater water sources with 27 service connections.
What type of violations does Sierra Country Estates have? ▼
Sierra Country Estates has 874 total violations: 32 health-based violations (MCL exceedances or treatment failures), 816 monitoring/reporting violations, and 32 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sierra Country Estates water? ▼
No PFAS testing data is available for Sierra Country Estates under the EPA's UCMR5 monitoring program.
What water source does Sierra Country Estates use? ▼
Sierra Country Estates 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.