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Community Water System · PWS ID4200048

Splendid Acres Water Assn

Mountain Home, Idaho 83647 - drinking water served from groundwater sources to 91 people, tracked in EPA SDWIS and UCMR5.

91
People served
179
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 179 drinking-water violations at Splendid Acres Water Assn, 2% of them health-based - above the Idaho per-system average.

179
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
91
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Splendid Acres Water Assn

Splendid Acres Water Assn is a private-owned community water system that delivers drinking water to 91 residents in Mountain Home, Idaho (Elmore County) through 35 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 179 total violations for this system , of which 4 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 169 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 Lead and Copper Rule, recorded in 30 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 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%).

Splendid Acres Water Assn's 179 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
91
Total Violations
179
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
35
County
Elmore
School/Daycare
No
MCL Violations
4
Monitoring Violations
169
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 30 2023
Coliform (TCR) MR 21 2009
Revised Total Coliform Rule MON 19 2025
Nitrate MR 4 2004
Coliform (TCR) MCL 4 2011
Fluoride MR 3 2002
Methoxychlor MR 3 2002
Carbofuran MR 3 2002
Heptachlor epoxide MR 3 2002
2,4,5-TP MR 3 2002
Pentachlorophenol MR 3 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2002
ETHYLENE DIBROMIDE MR 3 2002
Chlordane MR 3 2002
Atrazine MR 3 2002
Total Polychlorinated Biphenyls (PCB) MR 3 2002
2,4-D MR 3 2002
BHC-GAMMA MR 3 2002
Toxaphene MR 3 2002
LASSO MR 3 2002
E. COLI MR 3 2022
Heptachlor MR 3 2002
Barium MR 2 1993
Chromium MR 2 1993
Mercury MR 2 1993
Consumer Confidence Rule Other 2 1999
Cadmium MR 2 1993
Selenium MR 2 1993
CYANIDE MR 1 2002
Dalapon MR 1 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 Splendid Acres Water Assn.

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 ID4200048 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 Revised Total Coliform Rule MON 19 SDWIS / ID4200048 / 8000
2023 Lead and Copper Rule MR 30 SDWIS / ID4200048 / 5000
2022 E. COLI MR 3 SDWIS / ID4200048 / 3014
2011 Coliform (TCR) MCL 4 SDWIS / ID4200048 / 3100
2009 Coliform (TCR) MR 21 SDWIS / ID4200048 / 3100
2004 Nitrate MR 4 SDWIS / ID4200048 / 1040
2002 Fluoride MR 3 SDWIS / ID4200048 / 1025
2002 Methoxychlor MR 3 SDWIS / ID4200048 / 2015
2002 Carbofuran MR 3 SDWIS / ID4200048 / 2046
2002 Heptachlor epoxide MR 3 SDWIS / ID4200048 / 2067
2002 2,4,5-TP MR 3 SDWIS / ID4200048 / 2110
2002 Pentachlorophenol MR 3 SDWIS / ID4200048 / 2326
2002 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / ID4200048 / 2931
2002 ETHYLENE DIBROMIDE MR 3 SDWIS / ID4200048 / 2946
2002 Chlordane MR 3 SDWIS / ID4200048 / 2959

How Splendid Acres Water Assn Compares

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

Metric Splendid Acres Water Assn Idaho avg Federal benchmark
Total violations 179 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 91 870 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 Splendid Acres Water Assn water safe to drink? ▼
Splendid Acres Water Assn (PWS ID: ID4200048) has 179 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 91 people using Groundwater sources.
How many people does Splendid Acres Water Assn serve? ▼
Splendid Acres Water Assn serves 91 people in Mountain Home, Idaho. It is a Private-owned system using Groundwater water sources with 35 service connections.
What type of violations does Splendid Acres Water Assn have? ▼
Splendid Acres Water Assn has 179 total violations: 4 health-based violations (MCL exceedances or treatment failures), 169 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Splendid Acres Water Assn water? ▼
No PFAS testing data is available for Splendid Acres Water Assn under the EPA's UCMR5 monitoring program.
What water source does Splendid Acres Water Assn use? ▼
Splendid Acres Water Assn 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.