TOHO WATER AUTHORITY EASTERN vs MDWASA - MAIN SYSTEM
Water quality comparison — risk levels, violations, PFAS records, and contaminants
Quick Answer
MDWASA - MAIN SYSTEM has a lower risk classification (safe). TOHO WATER AUTHORITY EASTERN has 0 open health-based violations and 174 PFAS records. MDWASA - MAIN SYSTEM has 0 open health-based violations and 232 PFAS records.
Florida · FL3490751
Low Concern
Minor detections below regulatory limits. Routine monitoring adequate.
0
Open violations
174
PFAS records
Florida · FL4130871
No Concerns Detected
Water meets all safety standards with no detected exceedances.
0
Open violations
232
PFAS records
Head-to-Head Comparison
| Metric | TOHO WATER AUTHORITY EASTERN | MDWASA - MAIN SYSTEM |
|---|---|---|
| State | Florida | Florida |
| Risk Level | Low Concern | No Concerns Detected |
| Population Served | 110,102 | 2,377,460 |
| Open Health Violations | 0 | 0 |
| Total Violations | 14 | 24 |
| PFAS Records | 174 | 232 |
| Ownership | Private | Local |
| Service Type | Groundwater | Groundwater |
| City Served | Kissimmee | Miami |
Contaminants in Violation Records
TOHO WATER AUTHORITY EASTERN
- Total Trihalomethanes (TTHMs)
- Haloacetic Acids (HAA5)
- Nitrate
MDWASA - MAIN SYSTEM
- E. coli
- Haloacetic Acids (HAA5)
- Total Trihalomethanes (TTHMs)
- Coliform (TCR)
- Lead
Key Differences
TOHO WATER AUTHORITY EASTERN has a low risk rating vs. safe for MDWASA - MAIN SYSTEM.
TOHO WATER AUTHORITY EASTERN has 174 PFAS records vs. 232 for MDWASA - MAIN SYSTEM.
What Should I Do?
If either utility shows open violations or elevated PFAS records, consider:
- Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
- Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
- Ordering a certified lab water test if you want contaminant-specific data for your address.
Frequently Asked Questions
Which is safer — TOHO WATER AUTHORITY EASTERN or MDWASA - MAIN SYSTEM?
MDWASA - MAIN SYSTEM has a lower risk classification (safe). MDWASA - MAIN SYSTEM has 0 open health-based violations compared to 0 for the other system.
What does "open health-based violation" mean?
An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.
How current is this data?
Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.
What does PWSID mean?
PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.