MDWASA - MAIN SYSTEM
High Risk2 PFAS compound(s) exceed EPA Maximum Contaminant Levels
This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.
11
PFAS Detected
2
Above EPA Limits
73
ZIPs Served
Groundwater
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 33.00ppt | 825% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 14.00ppt | 350% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 9.40ppt | 94% of limit
| 10 ppt | Below limit |
PFNA Perfluorononanoic acid | 6.50ppt | 65% of limit
| 10 ppt | Below limit |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 190.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 58.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 56.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 22.00ppt | No federal limit | — | Unregulated |
Show 3 more compounds detected at low levels
| PFHpAPerfluoroheptanoic acid | 20.00 ppt | No federal limit |
| 8:2 FTS8:2 Fluorotelomer sulfonic acid | 9.60 ppt | No federal limit |
| PFBSPerfluorobutane sulfonic acid | 4.60 ppt | No federal limit |
ZIP Codes Served by This Utility
33031 33032 33033 33101 33109 33116 33122 33125 33126 33127 33128 33129 33130 33131 33132 33133 33134 33135 33136 33137 33138 33139 33140 33141 33142 33143 33144 33145 33146 33147 33149 33150 33151 33152 33153 33154 33155 33156 33157 33158 33160 33161 33162 33165 33166 33167 33168 33169 33170 33172 33173 33174 33175 33176 33177 33178 33179 33180 33181 33182 33183 33184 33185 33186 33187 33189 33190 33192 33193 33194 33196 33197 33283
Click any ZIP to see the full result page for that area.
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
FL4130871
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor