Mdwasa/rex Utilities
EPA ID: FL4131202 · 45,200 people served · 96 ZIP codes
ZipCheckup's reading of EPA SDWIS for Mdwasa/rex Utilities (FL4131202): PFAS sampling above the current EPA limit (UCMR5). Federal monitoring spanning five full years has produced zero violations at Mdwasa/rex Utilities - a clean record across every reporting cycle for a utility serving approximately 45,200 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Mdwasa/rex Utilities serves a community with a median household income of $77,297 and an estimated 1,849,309 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 67% 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?
Mdwasa/rex Utilities'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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 630 detections recorded. 126 exceed federal EPA limits (4 ppt for PFOA/PFOS). 126 exceed state limits.
Comparable Water Systems
Similar-sized systems in Florida
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
Mdwasa/rex Utilities (EPA ID: FL4131202) is a community water system in Florida that serves approximately 45,200 people from groundwater sources.
This system provides water to 96 ZIP codes across 1 community.
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
This system serves 96 ZIP codes:
33101 · 33102 · 33106 · 33110 · 33111 33112 · 33116 · 33122 · 33124 · 33125 33126 · 33127 · 33128 · 33129 · 33130 33131 · 33132 · 33133 · 33134 · 33135 33136 · 33137 · 33138 · 33142 · 33143 33144 · 33145 · 33146 · 33147 · 33150 33151 · 33152 · 33153 · 33155 · 33156 33157 · 33158 · 33159 · 33161 · 33162 33163 · 33164 · 33165 · 33166 · 33167 33168 · 33169 · 33170 · 33172 · 33173 33174 · 33175 · 33176 · 33177 · 33178 33179 · 33180 · 33181 · 33182 · 33183 33184 · 33185 · 33186 · 33187 · 33188 33189 · 33190 · 33191 · 33192 · 33193 33194 · 33196 · 33197 · 33198 · 33199 33206 · 33222 · 33231 · 33233 · 33234 33238 · 33242 · 33243 · 33245 · 33247 33255 · 33256 · 33257 · 33261 · 33265 33266 · 33269 · 33280 · 33283 · 33296 33299
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mdwasa/rex Utilities (FL4131202) on EPA.gov.
Frequently Asked Questions
Is Mdwasa/rex Utilities water safe to drink?
Based on EPA records, Mdwasa/rex Utilities has no recorded violations in the past 5 years - a positive indicator of water quality management.
How many people does Mdwasa/rex Utilities serve?
Mdwasa/rex Utilities serves approximately 45,200 people across 96 ZIP codes in Florida.
Where does Mdwasa/rex Utilities get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Above Current MCL
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.
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.
Frequently Asked Questions
How to cite this page
ZipCheckup. (2026). Mdwasa/rex Utilities, FL: Serves 45K People (2026). https://zipcheckup.com/water-system/fl4131202/
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year = {2026},
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Data as of April 2026.