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Community Water System · PWS ID7330014

Meadow Lark Court LLC

Ammon, Idaho 83406 - drinking water served from groundwater sources to 45 people, tracked in EPA SDWIS and UCMR5.

45
People served
220
EPA violations
152
Health-based
Untested
UCMR5 result

The verdict

EPA records 220 drinking-water violations at Meadow Lark Court LLC, 69% of them health-based - above the Idaho per-system average.

220
Total EPA violations on record
69%
Health-based (MCL / treatment failure)
45
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Meadow Lark Court LLC

Meadow Lark Court LLC is a private-owned community water system that delivers drinking water to 45 residents in Ammon, Idaho (Madison County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 220 total violations for this system , of which 152 (69%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 45 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 Nitrate, recorded in 152 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%).

Meadow Lark Court LLC's 220 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
45
Total Violations
220
Health-Based Violations
152
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Madison
School/Daycare
No
MCL Violations
152
Monitoring Violations
45
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 152 2024
Public Notice Other 12 2023
Nitrate MR 9 2024
Coliform (TCR) MR 9 2002
Revised Total Coliform Rule MON 3 2024
E. COLI MR 2 2023
LEAD AND COPPER RULE REVISIONS RPT 2 2025
Combined Uranium MR 2 2017
ETHYLENE DIBROMIDE MR 2 2020
Consumer Confidence Rule Other 2 1999
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2020
Dalapon MR 1 1996
Dinoseb MR 1 1996
2,4-D MR 1 1996
2,4,5-TP MR 1 1996
Barium MR 1 1996
Cadmium MR 1 1996
Mercury MR 1 1996
Nickel MR 1 1996
Antimony, Total MR 1 1996
Beryllium, Total MR 1 1996
Thallium, Total MR 1 1996
Lead and Copper Rule MR 1 2001
Selenium MR 1 1996
Arsenic MR 1 1999
Chromium MR 1 1996
Picloram MR 1 1996

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 Meadow Lark Court LLC.

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 ID7330014 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
2025 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / ID7330014 / 5200
2024 Nitrate MCL 152 SDWIS / ID7330014 / 1040
2024 Nitrate MR 9 SDWIS / ID7330014 / 1040
2024 Revised Total Coliform Rule MON 3 SDWIS / ID7330014 / 8000
2023 Public Notice Other 12 SDWIS / ID7330014 / 7500
2023 E. COLI MR 2 SDWIS / ID7330014 / 3014
2020 ETHYLENE DIBROMIDE MR 2 SDWIS / ID7330014 / 2946
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 2 SDWIS / ID7330014 / 2931
2017 Combined Uranium MR 2 SDWIS / ID7330014 / 4006
2002 Coliform (TCR) MR 9 SDWIS / ID7330014 / 3100
2001 Lead and Copper Rule MR 1 SDWIS / ID7330014 / 5000
1999 Consumer Confidence Rule Other 2 SDWIS / ID7330014 / 7000
1999 Arsenic MR 1 SDWIS / ID7330014 / 1005
1996 Dalapon MR 1 SDWIS / ID7330014 / 2031
1996 Dinoseb MR 1 SDWIS / ID7330014 / 2041

How Meadow Lark Court LLC Compares

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

Metric Meadow Lark Court LLC Idaho avg Federal benchmark
Total violations 220 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 152 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 45 870 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 Meadow Lark Court LLC water safe to drink? ▼
Meadow Lark Court LLC (PWS ID: ID7330014) has 220 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does Meadow Lark Court LLC serve? ▼
Meadow Lark Court LLC serves 45 people in Ammon, Idaho. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does Meadow Lark Court LLC have? ▼
Meadow Lark Court LLC has 220 total violations: 152 health-based violations (MCL exceedances or treatment failures), 45 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Meadow Lark Court LLC water? ▼
No PFAS testing data is available for Meadow Lark Court LLC under the EPA's UCMR5 monitoring program.
What water source does Meadow Lark Court LLC use? ▼
Meadow Lark Court LLC 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.