Water System Report MT

Valley Grove Subdivision

EPA ID: MT0003780 · 825 people served · 8 ZIP codes

For the full five-year period covered by EPA monitoring, Valley Grove Subdivision has supplied tap water to 825 residents with no violations of any type on record.

Data: EPA SDWIS Last verified: 2026-04-02

825
People Served
8
ZIP Codes Served
0
Violations (5yr)
Groundwater
Water Source
0
Contaminants Flagged

Service Area Map

Coverage area for Valley Grove Subdivision Source: EPA SDWIS service area boundaries.

Service area boundary

Service Area Demographics

$89,217
Median Household Income
106,922
Service Area Population
5%
Disadvantaged Population
30th
Poverty Percentile
30th
Energy Burden Percentile
36%
Pre-1986 Housing

The Valley Grove Subdivision serves a community with a median household income of $89,217 and an estimated 106,922 residents across its service area.

💧 Where Does Your Water Come From?

Groundwater

Valley Grove Subdivision's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Low Risk
Source Contamination Risk
60th
Wastewater Discharge Proximity
70th
Superfund Site Proximity

About 1% of homes in Gallatin County, Montana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.

Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

40 yr
Avg Pipe Age
Unknown
Pipe Material
25 yr
Est. Remaining Life
Stable
Decay Status
Installed 62% of expected lifespan used End of life

Comparable Water Systems

Similar-sized systems in Montana

City of Harlem
820 people
D 31 violations
0 violations
D 36 violations
0 violations
Darby Town of
850 people
C 9 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance
Radon Mitigation $1,200
Flood Insurance $600
Total Estimated Cost $1,800

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

System Overview

Valley Grove Subdivision (EPA ID: MT0003780) is a community water system in Montana that serves approximately 825 people from groundwater sources.

This system provides water to 8 ZIP codes across 2 communities.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

No Lead and Copper Rule sampling data available for this water system.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Valley Grove Subdivision (MT0003780) on EPA.gov.

Frequently Asked Questions

Is Valley Grove Subdivision water safe to drink?

Based on EPA records, Valley Grove Subdivision has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Valley Grove Subdivision serve?

Valley Grove Subdivision serves approximately 825 people across 8 ZIP codes in Montana.

Where does Valley Grove Subdivision get its water?

The primary water source is groundwater.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
0
Unknown Material
351
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2023-01-01 did not exceed the federal lead action level.
Population served: 825
Reported to Montana

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Should I use a water filter?
Valley Grove Subdivision meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Valley Grove Subdivision serve?
Valley Grove Subdivision serves approximately 825 people with drinking water across 8 ZIP codes.
What is Valley Grove Subdivision's water source?
Valley Grove Subdivision draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Valley Grove Subdivision's service area?
The Valley Grove Subdivision service area has a median household income of $89,217. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Valley Grove Subdivision get its water?
Valley Grove Subdivision's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
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