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Community Water System · PWS ID7220007

Aspen Ridge Subd

Rexburg, Idaho 83440 - drinking water served from groundwater sources to 204 people, tracked in EPA SDWIS and UCMR5.

204
People served
868
EPA violations
68
Health-based
Untested
UCMR5 result

The verdict

EPA records 868 drinking-water violations at Aspen Ridge Subd, 8% of them health-based - above the Idaho per-system average.

868
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
204
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aspen Ridge Subd

Aspen Ridge Subd is a private-owned community water system that delivers drinking water to 204 residents in Rexburg, Idaho (Fremont County) through 70 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 868 total violations for this system , of which 68 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 741 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 Groundwater Rule, recorded in 60 violations (TT, 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%).

Aspen Ridge Subd's 868 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
204
Total Violations
868
Health-Based Violations
68
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
70
County
Fremont
School/Daycare
No
MCL Violations
8
Monitoring Violations
741
Treatment Tech Violations
60

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 60 2023
Public Notice Other 52 2023
E. COLI MR 24 2025
BHC-GAMMA MR 14 2023
Toxaphene MR 14 2023
Dalapon MR 14 2023
Endothall MR 14 2023
Glyphosate MR 14 2023
OXAMYL MR 14 2023
Simazine MR 14 2023
Dinoseb MR 14 2023
Atrazine MR 14 2023
LASSO MR 14 2023
Heptachlor MR 14 2023
Heptachlor epoxide MR 14 2023
2,4-D MR 14 2023
2,4,5-TP MR 14 2023
HEXACHLOROBENZENE MR 14 2023
Pentachlorophenol MR 14 2023
ETHYLENE DIBROMIDE MR 14 2023
Methoxychlor MR 14 2023
Diquat MR 14 2023
Picloram MR 14 2023
Di(2-ethylhexyl) phthalate MR 14 2023
Hexachlorocyclopentadiene MR 14 2023
Carbofuran MR 14 2023
Benzo(a)pyrene MR 14 2023
1,2-DIBROMO-3-CHLOROPROPANE MR 14 2023
Chlordane MR 14 2023
cis-1,2-Dichloroethylene MR 14 2023

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 Aspen Ridge Subd.

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 ID7220007 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 E. COLI MR 24 SDWIS / ID7220007 / 3014
2024 Revised Total Coliform Rule MCL 4 SDWIS / ID7220007 / 8000
2023 Groundwater Rule TT 60 SDWIS / ID7220007 / 0700
2023 Public Notice Other 52 SDWIS / ID7220007 / 7500
2023 BHC-GAMMA MR 14 SDWIS / ID7220007 / 2010
2023 Toxaphene MR 14 SDWIS / ID7220007 / 2020
2023 Dalapon MR 14 SDWIS / ID7220007 / 2031
2023 Endothall MR 14 SDWIS / ID7220007 / 2033
2023 Glyphosate MR 14 SDWIS / ID7220007 / 2034
2023 OXAMYL MR 14 SDWIS / ID7220007 / 2036
2023 Simazine MR 14 SDWIS / ID7220007 / 2037
2023 Dinoseb MR 14 SDWIS / ID7220007 / 2041
2023 Atrazine MR 14 SDWIS / ID7220007 / 2050
2023 LASSO MR 14 SDWIS / ID7220007 / 2051
2023 Heptachlor MR 14 SDWIS / ID7220007 / 2065

How Aspen Ridge Subd Compares

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

Metric Aspen Ridge Subd Idaho avg Federal benchmark
Total violations 868 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 68 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 204 870 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 Aspen Ridge Subd water safe to drink? ▼
Aspen Ridge Subd (PWS ID: ID7220007) has 868 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 204 people using Groundwater sources.
How many people does Aspen Ridge Subd serve? ▼
Aspen Ridge Subd serves 204 people in Rexburg, Idaho. It is a Private-owned system using Groundwater water sources with 70 service connections.
What type of violations does Aspen Ridge Subd have? ▼
Aspen Ridge Subd has 868 total violations: 68 health-based violations (MCL exceedances or treatment failures), 741 monitoring/reporting violations, and 60 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aspen Ridge Subd water? ▼
No PFAS testing data is available for Aspen Ridge Subd under the EPA's UCMR5 monitoring program.
What water source does Aspen Ridge Subd use? ▼
Aspen Ridge Subd 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.