Ridgewater Improvement District
EPA ID: WY5600285 · 218 people served · 1 ZIP code
EPA monitoring data for Ridgewater Improvement District shows an unblemished five-year compliance history — no violations of any kind have been recorded for this utility, which supplies water to approximately 218 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Ridgewater Improvement District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ridgewater Improvement District serves a community with a median household income of $81,467 and an estimated 9,511 residents across its service area. Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Ridgewater Improvement District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Converse County, Wyoming rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in Wyoming
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
Ridgewater Improvement District (EPA ID: WY5600285) is a community water system in Wyoming that serves approximately 218 people from surface water sources.
This system serves ZIP code 82633 in Douglas.
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
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 WY or modeled from parcel and building-footprint data.
- 82633 — Douglas
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ridgewater Improvement District (WY5600285) on EPA.gov.
Frequently Asked Questions
Is Ridgewater Improvement District water safe to drink?
Based on EPA records, Ridgewater Improvement District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ridgewater Improvement District serve?
Ridgewater Improvement District serves approximately 218 people across 1 ZIP code in Wyoming.
Where does Ridgewater Improvement District get its water?
The primary water source is surface water.
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.