Sheridan Lake Water District
EPA ID: CO0131800 · 148 people served · 1 ZIP code
Pulled from the federal compliance ledger, 1 violation at Sheridan Lake Water District remain without resolution — the utility delivers drinking water to roughly 148 residents.
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 1 (2023) to 2 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Sheridan Lake Water District Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Sheridan Lake Water District serves a community with a median household income of $53,036 and an estimated 299 residents across its service area. Approximately 74% 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?
Sheridan Lake Water District'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 2% of homes in Kiowa 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
Detected Contaminants
How Sheridan Lake Water District 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.
Lead and Copper Rule at 10 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2959 at 2 mg/L exceeds the EPA maximum of mg/L.
Total Organic Carbon at 2 mg/L exceeds the EPA maximum of mg/L.
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
Sheridan Lake Water District (EPA ID: CO0131800) is a community water system in Colorado that serves approximately 148 people from groundwater sources.
This system serves ZIP code 81071 in Sheridan Lake.
Average Home Safety Score: C (62/100)
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 |
|---|---|---|---|
| October 1, 2025 | Stage 1 DBP Rule | Monitoring | Unresolved |
| July 28, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| June 6, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| April 28, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| March 8, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| March 6, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| January 28, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| December 8, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| October 28, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| July 28, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| July 27, 2024 | Contaminant 0700 | Health-based | Resolved |
| April 28, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| October 1, 2023 | Combined Radium | Monitoring | Resolved |
| April 1, 2023 | Combined Radium | Health-based | Resolved |
| April 1, 2023 | Contaminant 2033 | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 10 | No |
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Contaminant 2959 | Other Violation | 2 | No |
| Total Organic Carbon | Disinfection Byproducts | 2 | No |
| Combined Radium | Radionuclides | 2 | Yes |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Lead | Inorganic | 1 | No |
| Contaminant 2033 | Other Violation | 1 | No |
| Contaminant 0700 | Other Violation | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 81071 | 0.0006 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
- 81071 — Sheridan Lake
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sheridan Lake Water District (CO0131800) on EPA.gov.
Frequently Asked Questions
Is Sheridan Lake Water District water safe to drink?
Sheridan Lake Water District has recorded 3 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 Sheridan Lake Water District serve?
Sheridan Lake Water District serves approximately 148 people across 1 ZIP code in Colorado.
Where does Sheridan Lake Water District 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.
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
Sheridan Lake Water District (EPA ID: CO0131800) — request the latest Consumer Confidence Report or ask about specific contaminants.