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Community Water System · PWS ID4010069

Greenhills Estates 3

Meridian, Idaho 83642 - drinking water served from groundwater sources to 200 people, tracked in EPA SDWIS and UCMR5.

200
People served
173
EPA violations
72
Health-based
Untested
UCMR5 result

The verdict

EPA records 173 drinking-water violations at Greenhills Estates 3, 42% of them health-based - above the Idaho per-system average.

173
Total EPA violations on record
42%
Health-based (MCL / treatment failure)
200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Greenhills Estates 3

Greenhills Estates 3 is a private-owned community water system that delivers drinking water to 200 residents in Meridian, Idaho (Ada County) through 51 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 173 total violations for this system , of which 72 (42%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 97 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Combined Uranium, recorded in 72 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Idaho, EPA tracks 2,005 public water systems serving 1,743,912 people, with 104,850 cumulative violations and 19,965 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 52.3 violations. Statewide, 40 of 60 UCMR5-tested systems have reported PFAS detections (66.7%).

Greenhills Estates 3's 173 violations sit above the Idaho 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
200
Total Violations
173
Health-Based Violations
72
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
51
County
Ada
School/Daycare
No
MCL Violations
72
Monitoring Violations
97
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Uranium MCL 72 2016
Radium-228 MR 4 2012
Public Notice Other 3 2014
Radium-226 MR 3 2012
Endrin MR 2 2012
Diquat MR 2 2012
Glyphosate MR 2 2012
OXAMYL MR 2 2012
Simazine MR 2 2012
Picloram MR 2 2012
Carbofuran MR 2 2012
LASSO MR 2 2012
Heptachlor epoxide MR 2 2012
HEXACHLOROBENZENE MR 2 2012
Benzo(a)pyrene MR 2 2012
Pentachlorophenol MR 2 2012
Total Polychlorinated Biphenyls (PCB) MR 2 2012
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2012
ETHYLENE DIBROMIDE MR 2 2012
Gross Alpha, Excl. Radon and U MR 2 2012
Dinoseb MR 2 2012
2,4-D MR 2 2012
Nitrite MR 2 2011
BHC-GAMMA MR 2 2012
Endothall MR 2 2012
Dalapon MR 2 2012
Methoxychlor MR 2 2012
Di(2-ethylhexyl) adipate MR 2 2012
Nitrate MR 2 2009
Chlordane MR 2 2012

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 Greenhills Estates 3.

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 ID4010069 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Idaho Drinking Water Authority

Idaho'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 ID 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
2020 Combined Uranium MR 2 SDWIS / ID4010069 / 4006
2016 Combined Uranium MCL 72 SDWIS / ID4010069 / 4006
2014 Public Notice Other 3 SDWIS / ID4010069 / 7500
2012 Radium-228 MR 4 SDWIS / ID4010069 / 4030
2012 Radium-226 MR 3 SDWIS / ID4010069 / 4020
2012 Endrin MR 2 SDWIS / ID4010069 / 2005
2012 Diquat MR 2 SDWIS / ID4010069 / 2032
2012 Glyphosate MR 2 SDWIS / ID4010069 / 2034
2012 OXAMYL MR 2 SDWIS / ID4010069 / 2036
2012 Simazine MR 2 SDWIS / ID4010069 / 2037
2012 Picloram MR 2 SDWIS / ID4010069 / 2040
2012 Carbofuran MR 2 SDWIS / ID4010069 / 2046
2012 LASSO MR 2 SDWIS / ID4010069 / 2051
2012 Heptachlor epoxide MR 2 SDWIS / ID4010069 / 2067
2012 HEXACHLOROBENZENE MR 2 SDWIS / ID4010069 / 2274

How Greenhills Estates 3 Compares

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

Metric Greenhills Estates 3 Idaho avg Federal benchmark
Total violations 173 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 72 10 Indicates a contaminant exceeded a federal MCL
PFAS detection None 66.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 200 870 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,005 regulated public water systems in Idaho.

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 Greenhills Estates 3 water safe to drink? ▼
Greenhills Estates 3 (PWS ID: ID4010069) has 173 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does Greenhills Estates 3 serve? ▼
Greenhills Estates 3 serves 200 people in Meridian, Idaho. It is a Private-owned system using Groundwater water sources with 51 service connections.
What type of violations does Greenhills Estates 3 have? ▼
Greenhills Estates 3 has 173 total violations: 72 health-based violations (MCL exceedances or treatment failures), 97 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Greenhills Estates 3 water? ▼
No PFAS testing data is available for Greenhills Estates 3 under the EPA's UCMR5 monitoring program.
What water source does Greenhills Estates 3 use? ▼
Greenhills Estates 3 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.