Roundup Water Department
EPA ID: MT0000321 · 1,900 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Roundup Water Department (MT0000321): a lead 90th-percentile reading above the EPA action level. Beyond the 1 historical violation on Roundup Water Department's EPA record, nothing remains open - the utility is currently compliant and supplies water to 1,900 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Roundup Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Roundup Water Department serves a community with a median household income of $59,785 and an estimated 4,590 residents across its service area. Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Roundup Water Department'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.
Wastewater Proximity Note: This service area ranks in the 90th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Roundup Water Department compares to EPA limits
What This Means For You
Arsenic at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.
Comparable Water Systems
Similar-sized systems in Montana
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
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
Roundup Water Department (EPA ID: MT0000321) is a community water system in Montana that serves approximately 1,900 people from groundwater sources.
This system serves ZIP code 59072 in Roundup.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2023 | Arsenic | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Arsenic | Inorganic | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.041 mg/L | Yes | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by MT or modeled from parcel and building-footprint data.
- 59072 - Roundup
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Roundup Water Department (MT0000321) on EPA.gov.
Frequently Asked Questions
Is Roundup Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Roundup Water Department; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Roundup Water Department serve?
Roundup Water Department serves approximately 1,900 people across 1 ZIP code in Montana.
Where does Roundup Water Department get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Roundup Water Department (MT): 1 EPA Violation. https://zipcheckup.com/water-system/mt0000321/
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author = {{ZipCheckup}},
title = {{Roundup Water Department (MT): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mt0000321/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Roundup Water Department (EPA ID: MT0000321) - request the latest Consumer Confidence Report or ask about specific contaminants.