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Community Water System · PWS ID3140035

Evergreen Mobile Park

Nampa, Idaho 83651 - drinking water served from groundwater sources to 284 people, tracked in EPA SDWIS and UCMR5.

284
People served
72
EPA violations
30
Health-based
Untested
UCMR5 result

The verdict

EPA records 72 drinking-water violations at Evergreen Mobile Park, 42% of them health-based - above the Idaho per-system average.

72
Total EPA violations on record
42%
Health-based (MCL / treatment failure)
284
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Evergreen Mobile Park

Evergreen Mobile Park is a private-owned community water system that delivers drinking water to 284 residents in Nampa, Idaho (Canyon County) through 142 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 72 total violations for this system , of which 30 (42%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 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%).

Evergreen Mobile Park's 72 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
284
Total Violations
72
Health-Based Violations
30
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
142
County
Canyon
School/Daycare
No
MCL Violations
16
Monitoring Violations
35
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 16 2014
E. COLI MR 7 2024
Groundwater Rule TT 6 2010
Coliform (TCR) MR 6 2005
Nitrate MR 4 2005
Revised Total Coliform Rule TT 4 2020
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Revised Total Coliform Rule MON 3 2023
Public Notice Other 2 2011
Gross Alpha, Excl. Radon and U MR 2 2014
Lead and Copper Rule MR 2 2017
Cadmium MR 1 1993
Mercury MR 1 1993
Selenium MR 1 1993
Dalapon MR 1 1996
2,4-D MR 1 1996
Fluoride MR 1 1993
Dinoseb MR 1 1996
Chromium MR 1 1993
Picloram MR 1 1996
2,4,5-TP MR 1 1996
Barium MR 1 1993

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 Evergreen Mobile Park.

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 ID3140035 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
2024 E. COLI MR 7 SDWIS / ID3140035 / 3014
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / ID3140035 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / ID3140035 / 5200
2023 Revised Total Coliform Rule MON 3 SDWIS / ID3140035 / 8000
2020 Revised Total Coliform Rule TT 4 SDWIS / ID3140035 / 8000
2017 Lead and Copper Rule MR 2 SDWIS / ID3140035 / 5000
2014 Coliform (TCR) MCL 16 SDWIS / ID3140035 / 3100
2014 Gross Alpha, Excl. Radon and U MR 2 SDWIS / ID3140035 / 4000
2011 Public Notice Other 2 SDWIS / ID3140035 / 7500
2010 Groundwater Rule TT 6 SDWIS / ID3140035 / 0700
2005 Coliform (TCR) MR 6 SDWIS / ID3140035 / 3100
2005 Nitrate MR 4 SDWIS / ID3140035 / 1040
1996 Dalapon MR 1 SDWIS / ID3140035 / 2031
1996 2,4-D MR 1 SDWIS / ID3140035 / 2105
1996 Dinoseb MR 1 SDWIS / ID3140035 / 2041

How Evergreen Mobile Park Compares

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

Metric Evergreen Mobile Park Idaho avg Federal benchmark
Total violations 72 52.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 30 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 284 870 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 Evergreen Mobile Park water safe to drink? ▼
Evergreen Mobile Park (PWS ID: ID3140035) has 72 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 284 people using Groundwater sources.
How many people does Evergreen Mobile Park serve? ▼
Evergreen Mobile Park serves 284 people in Nampa, Idaho. It is a Private-owned system using Groundwater water sources with 142 service connections.
What type of violations does Evergreen Mobile Park have? ▼
Evergreen Mobile Park has 72 total violations: 30 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Evergreen Mobile Park water? ▼
No PFAS testing data is available for Evergreen Mobile Park under the EPA's UCMR5 monitoring program.
What water source does Evergreen Mobile Park use? ▼
Evergreen Mobile Park 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.