TOHO WATER AUTHORITY EASTERN serves about 110,102 residents. The state and federal record shows 8 contaminants detected, 2 above the independent health goal, and 1 over the federal legal limit. Legal does not mean safe: the legal limit is the most the government allows before a violation; the health goal is where research says risk begins.
Neighboring ZIPs can be on different systems. The full report is by your ZIP.
| Contaminant | Level | Health goal | Legal limit |
|---|---|---|---|
| Arsenic (naturally occurring, no safe level) | 0.7 UG/L | 175x above | within |
| Total Trihalomethanes (TTHM) — chlorine byproducts | 27.8 UG/L | 93x above | within |
| Barium (naturally occurring metal) | 13 UG/L | within | within |
| Free Copper | 1.6 UG/L | within | within |
| Fluoride (mineral added to prevent cavities) | 170 UG/L | within | within |
| pH Level (acidity/alkalinity) | 8.1 UG/L | within | within |
| Haloacetic Acids (HAA5) — chlorine byproducts | 11.1 UG/L | within | within |
| Total Coliform (warning flag for contamination) | 5.7 % positive | within | over |
| Contaminant | Whole home treatment | Reverse osmosis |
|---|---|---|
| Arsenic (naturally occurring, no safe level) | pending certification data | at least 80% removed |
| Barium (naturally occurring metal) | at least 80% removed | at least 80% removed |
| Fluoride (mineral added to prevent cavities) | pending certification data | at least 81% removed |
Reduction figures are certified minimums for the treatment class under NSF/ANSI standards, not brand claims.
A free in home water test measures your hardness and chlorine at the tap and matches the public record to your house. Book a free water test Shop filters matched to your water
TOHO WATER AUTHORITY EASTERN currently has 1 contaminant over the federal legal limit and 2 above independent health goals. Legal and safe are different lines; the legal limit is the most the government allows, the health goal is where research says risk begins.
Most of Osceola County draws from the Floridan and surficial aquifers, water that seeps through porous sand and limestone with little natural filtering, then is treated with chlorine or chloramine before it reaches your tap.
Arsenic (naturally occurring, no safe level), Total Trihalomethanes (TTHM) — chlorine byproducts, Barium (naturally occurring metal), Free Copper, Fluoride (mineral added to prevent cavities). The full list, with measured levels and health goals, is on this page and updates as the public record updates.
Whole home treatment addresses hardness, chlorine, chloramine, and the contaminants it is certified for; reverse osmosis at the tap addresses dissolved metals and forever chemicals. The reduction figures shown here are certified minimums for the treatment class, not brand claims. A free in home water test tells you which applies to your house.
Source: state and federal drinking water compliance records for TOHO WATER AUTHORITY EASTERN. Health goals from independent public health research. Updated as the public record updates.