Collier County Regional Wtp
EPA ID: FL5114069 · 215,350 people served · 19 ZIP codes
Per EPA records, Collier County Regional Wtp: 16 unresolved violations, 215,350 people in service area.
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 2 (2021) to 51 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Collier County Regional Wtp Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Collier County Regional Wtp serves a community with a median household income of $92,888 and an estimated 399,157 residents across its service area.
💧 Where Does Your Water Come From?
Collier County Regional Wtp'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 Collier County, Florida 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 Collier County Regional Wtp compares to EPA limits
What This Means For You
Lead at 2 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.
Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Consumer Confidence Report Rule at 18 mg/L exceeds the EPA maximum of mg/L.
Total Coliform at 15 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 32 detections recorded. 12 exceed federal EPA limits (4 ppt for PFOA/PFOS). 12 exceed state limits.
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
Collier County Regional Wtp (EPA ID: FL5114069) is a community water system in Florida that serves approximately 215,350 people from groundwater sources.
This system provides water to 19 ZIP codes across 2 communities.
Average Home Safety Score: B (70/100)
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 |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Unresolved |
| May 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| May 1, 2025 | Total Coliform | Monitoring | Resolved |
| February 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| February 1, 2025 | Total Coliform | Monitoring | Resolved |
| December 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| December 1, 2024 | Total Coliform | Monitoring | Resolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| September 1, 2024 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| August 1, 2024 | Total Coliform | Monitoring | Resolved |
| August 1, 2024 | Consumer Confidence Report Rule | Monitoring | Unresolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Unresolved |
| June 1, 2024 | Total Coliform | Monitoring | Resolved |
| June 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 18 | No |
| Total Coliform | Microbiological | 15 | No |
| Surface Water Treatment Rule | Treatment Failure | 3 | No |
| Lead | Inorganic | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 34101 | 0.0012 mg/L | No | N/A |
| 34104 | 0.0012 mg/L | No | N/A |
| 34105 | 0.0012 mg/L | No | N/A |
| 34106 | 0.0012 mg/L | No | N/A |
| 34107 | 0.0012 mg/L | No | N/A |
| 34108 | 0.0012 mg/L | No | N/A |
| 34109 | 0.0012 mg/L | No | N/A |
| 34110 | 0.0012 mg/L | No | N/A |
| 34112 | 0.0012 mg/L | No | N/A |
| 34113 | 0.0012 mg/L | No | N/A |
| 34114 | 0.0012 mg/L | No | N/A |
| 34116 | 0.0012 mg/L | No | N/A |
| 34117 | 0.0012 mg/L | No | N/A |
| 34119 | 0.0012 mg/L | No | N/A |
| 34120 | 0.0012 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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: 15 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 4 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 34101 — Naples
- 34102 — Naples
- 34103 — Naples
- 34104 — Naples
- 34105 — Naples
- 34106 — Naples
- 34107 — Naples
- 34108 — Naples
- 34109 — Naples
- 34110 — Naples
- 34112 — Naples
- 34113 — Naples
- 34114 — Naples
- 34116 — Naples
- 34117 — Naples
- 34119 — Naples
- 34120 — Naples
- 34134 — Bonita Springs
- 34135 — Bonita Springs
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Collier County Regional Wtp (FL5114069) on EPA.gov.
Frequently Asked Questions
Is Collier County Regional Wtp water safe to drink?
Collier County Regional Wtp has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Collier County Regional Wtp serve?
Collier County Regional Wtp serves approximately 215,350 people across 19 ZIP codes in Florida.
Where does Collier County Regional Wtp get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
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: FDEP PWS Lead Service Line Inventories (LSLI) · Submitted 2024
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.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
- #23 / 50 Highest Exposure Burden (Florida)
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
Collier County Regional Wtp (EPA ID: FL5114069) — request the latest Consumer Confidence Report or ask about specific contaminants.