May Valley Water Authority
EPA ID: CO0150800 · 1,500 people served · 2 ZIP codes
Federal compliance records for May Valley Water Authority list 22 open violations that have not yet been resolved — the utility serves approximately 1,500 people, and each outstanding finding remains logged and active in the EPA enforcement database.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 14 (2024) to 16 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for May Valley Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The May Valley Water Authority serves a community with a median household income of $65,502 and an estimated 1,239 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 80% 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?
May Valley Water Authority'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.
About 4% of homes in Bent County, Colorado 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.
Infrastructure Risk
Detected Contaminants
How May Valley Water Authority compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Gross Alpha at 10 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
Lead and Copper Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Total Coliform at 1 presence exceeds the EPA maximum of presence.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
MAY VALLEY WA (EPA ID: CO0150800) is a community water system in Colorado that serves approximately 1,500 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Average Home Safety Score: D (43/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| April 1, 2025 | Gross Beta | Health-based | Unresolved |
| January 1, 2025 | Gross Beta | Health-based | Unresolved |
| October 1, 2024 | Gross Beta | Health-based | Unresolved |
| July 1, 2024 | Gross Beta | Health-based | Unresolved |
| April 1, 2024 | Gross Alpha | Health-based | Unresolved |
| April 1, 2024 | Gross Beta | Monitoring | Resolved |
| January 1, 2024 | Gross Beta | Health-based | Unresolved |
| January 1, 2024 | Gross Beta | Monitoring | Resolved |
| October 6, 2023 | Total Coliform | Monitoring | Resolved |
| October 1, 2023 | Gross Beta | Monitoring | Unresolved |
| October 1, 2023 | Gross Alpha | Health-based | Unresolved |
| July 1, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| July 1, 2023 | Gross Beta | Monitoring | Unresolved |
| July 1, 2023 | Gross Alpha | Health-based | Unresolved |
| April 1, 2023 | Gross Alpha | Health-based | Unresolved |
| April 1, 2023 | Combined Radium | Monitoring | Unresolved |
| April 1, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2023 | Gross Alpha | Health-based | Unresolved |
| January 1, 2023 | Lead | Monitoring | Unresolved |
| January 1, 2023 | Lead and Copper Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Gross Beta | Radionuclides | 12 | Yes |
| Gross Alpha | Radionuclides | 10 | Yes |
| Lead and Copper Rule | Treatment Failure | 5 | No |
| Lead | Inorganic | 1 | No |
| Total Coliform | Microbiological | 1 | No |
| Combined Radium | Radionuclides | 1 | No |
Health Risk Details
Gross Alpha Particle Activity (EPA limit: pCi/L)
Increased cancer risk from radioactive particles At-risk groups: long-term residents in areas with uranium or radium-rich geology, people on private wells in western US.
Removal methods: reverse osmosis, ion exchange (anion exchange for radium), lime softening. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 81092 | 0.002 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High 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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for May Valley Water Authority (CO0150800) on EPA.gov.
Frequently Asked Questions
Is May Valley Water Authority water safe to drink?
May Valley Water Authority has recorded 18 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does May Valley Water Authority serve?
May Valley Water Authority serves approximately 1,500 people across 2 ZIP codes in Colorado.
Where does May Valley Water Authority 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:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
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.
Frequently Asked Questions
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
May Valley Water Authority (EPA ID: CO0150800) — request the latest Consumer Confidence Report or ask about specific contaminants.