A and B Water Authority Inc.
EPA ID: CO0150100 · 100 people served · 1 ZIP code
Even as other utilities in the region logged violations, A and B Water Authority Inc. kept a clean EPA record — five years, no issues, 100 people served.
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 7 (2024) to 8 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for A and B Water Authority Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The A and B Water Authority Inc. serves a community with a median household income of $46,531 and an estimated 1,565 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: 60% 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?
A and B Water Authority Inc.'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 1% of homes in Prowers County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Colorado
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
A and B Water Authority Inc. (EPA ID: CO0150100) is a community water system in Colorado that serves approximately 100 people from groundwater sources.
This system serves ZIP code 81047 in Holly.
Violation History
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 FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 81047 — Holly
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for A and B Water Authority Inc. (CO0150100) on EPA.gov.
Frequently Asked Questions
Is A and B Water Authority Inc. water safe to drink?
Based on EPA records, A and B Water Authority Inc. has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does A and B Water Authority Inc. serve?
A and B Water Authority Inc. serves approximately 100 people across 1 ZIP code in Colorado.
Where does A and B Water Authority Inc. 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:
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.
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.