Orange County, Florida
76 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-03
Throughout Orange County, the 76 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Orange County Compares
How Orange County Compares
Orange County scores 9 points above the Florida state average (73/100) and 14 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Orange County, Florida
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.7 (asthma 9.1%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $5,010, driven primarily by sea_level
Infrastructure: 0.236% avg pipe failure probability
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Orange County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 9 violations. Past 5 years: 23 total (23 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $5,010
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Orange County
Remediation costs are relatively manageable for most homeowners in Orange County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Orange County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Orange County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Ocud/southern Water Sys (5 Wps) | 80,738 | 2466 |
| 2 | Ocud/western Regional Wtr Sys (5 Wps) | 206,742 | 2463 |
| 3 | ORLANDO UTILITIES COMMISSION | 536,466 | 2409 |
| 4 | Ocud/eastern Water System (2 Wp) | 293,374 | 2376 |
| 5 | University of Central Florida | 44,103 | 2376 |
48 total water systems serve Orange County.
All ZIP Codes in Orange County
76 ZIP codes tracked in Orange County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 34760 | Oakland | 97 | A | 2 | $401K |
| 2 | 34777 | Winter Garden | 95 | A | 2 | — |
| 3 | 34778 | Winter Garden | 95 | A | 2 | — |
| 4 | 32794 | Maitland | 92 | A | 5 | — |
| 5 | 34734 | Gotha | 91 | A | 24 (1 health) | $352K |
| 6 | 32704 | Apopka | 88 | A | 16 (3 health) | — |
| 7 | 32802 | Orlando | 87 | A | 44 (4 health) | — |
| 8 | 32816 | Orlando | 87 | A | 44 (4 health) | — |
| 9 | 32830 | Orlando | 87 | A | 44 (4 health) | $108K |
| 10 | 32831 | Orlando | 87 | A | 44 (4 health) | — |
| 11 | 32834 | Orlando | 87 | A | 44 (4 health) | — |
| 12 | 32853 | Orlando | 87 | A | 44 (4 health) | — |
| 13 | 32855 | Orlando | 87 | A | 44 (4 health) | — |
| 14 | 32856 | Orlando | 87 | A | 44 (4 health) | — |
| 15 | 32857 | Orlando | 87 | A | 44 (4 health) | — |
| 16 | 32858 | Orlando | 87 | A | 44 (4 health) | — |
| 17 | 32859 | Orlando | 87 | A | 44 (4 health) | — |
| 18 | 32862 | Orlando | 87 | A | 44 (4 health) | — |
| 19 | 32867 | Orlando | 87 | A | 44 (4 health) | — |
| 20 | 32868 | Orlando | 87 | A | 44 (4 health) | — |
| 21 | 32869 | Orlando | 87 | A | 44 (4 health) | — |
| 22 | 32872 | Orlando | 87 | A | 44 (4 health) | — |
| 23 | 32877 | Orlando | 87 | A | 44 (4 health) | — |
| 24 | 32878 | Orlando | 87 | A | 44 (4 health) | — |
| 25 | 32885 | Orlando | 87 | A | 44 (4 health) | — |
| 26 | 32886 | Orlando | 87 | A | 44 (4 health) | — |
| 27 | 32887 | Orlando | 87 | A | 44 (4 health) | — |
| 28 | 32891 | Orlando | 87 | A | 44 (4 health) | — |
| 29 | 32897 | Orlando | 87 | A | 44 (4 health) | — |
| 30 | 32798 | Zellwood | 86 | A | 5 | $148K |
| 31 | 32777 | Tangerine | 85 | A | 8 | — |
| 32 | 32814 | Orlando | 85 | A | 44 (4 health) | $751K |
| 33 | 32827 | Orlando | 85 | A | 44 (4 health) | $616K |
| 34 | 32854 | Orlando | 85 | A | 44 (4 health) | — |
| 35 | 32751 | Maitland | 83 | B | 5 | $433K |
| 36 | 32793 | Winter Park | 83 | B | 18 (7 health) | — |
| 37 | 32790 | Winter Park | 82 | B | 18 (7 health) | — |
| 38 | 32703 | Apopka | 81 | B | 16 (3 health) | $315K |
| 39 | 32712 | Apopka | 81 | B | 16 (3 health) | $390K |
| 40 | 34786 | Windermere | 81 | B | 15 (1 health) | $621K |
| 41 | 34787 | Winter Garden | 81 | B | 2 | $475K |
| 42 | 32801 | Orlando | 80 | B | 44 (4 health) | $398K |
| 43 | 32803 | Orlando | 80 | B | 44 (4 health) | $421K |
| 44 | 32808 | Orlando | 80 | B | 44 (4 health) | $219K |
| 45 | 32810 | Orlando | 80 | B | 44 (4 health) | $260K |
| 46 | 32818 | Orlando | 80 | B | 44 (4 health) | $279K |
| 47 | 32820 | Orlando | 80 | B | 44 (4 health) | $386K |
| 48 | 32821 | Orlando | 80 | B | 44 (4 health) | $300K |
| 49 | 32824 | Orlando | 80 | B | 44 (4 health) | $354K |
| 50 | 32826 | Orlando | 80 | B | 44 (4 health) | $224K |
| 51 | 32829 | Orlando | 80 | B | 44 (4 health) | $349K |
| 52 | 32832 | Orlando | 80 | B | 44 (4 health) | $446K |
| 53 | 32833 | Orlando | 80 | B | 44 (4 health) | $391K |
| 54 | 32835 | Orlando | 80 | B | 44 (4 health) | $333K |
| 55 | 32837 | Orlando | 80 | B | 44 (4 health) | $365K |
| 56 | 34761 | Ocoee | 78 | B | 7 | $363K |
| 57 | 32804 | Orlando | 75 | B | 44 (4 health) | $499K |
| 58 | 32805 | Orlando | 75 | B | 44 (4 health) | $226K |
| 59 | 32806 | Orlando | 75 | B | 44 (4 health) | $416K |
| 60 | 32807 | Orlando | 75 | B | 44 (4 health) | $248K |
| 61 | 32809 | Orlando | 75 | B | 44 (4 health) | $281K |
| 62 | 32811 | Orlando | 75 | B | 44 (4 health) | $199K |
| 63 | 32812 | Orlando | 75 | B | 44 (4 health) | $343K |
| 64 | 32817 | Orlando | 75 | B | 44 (4 health) | $328K |
| 65 | 32819 | Orlando | 75 | B | 44 (4 health) | $454K |
| 66 | 32822 | Orlando | 75 | B | 44 (4 health) | $222K |
| 67 | 32825 | Orlando | 75 | B | 44 (4 health) | $328K |
| 68 | 32828 | Orlando | 75 | B | 44 (4 health) | $404K |
| 69 | 32836 | Orlando | 75 | B | 44 (4 health) | $637K |
| 70 | 32839 | Orlando | 75 | B | 44 (4 health) | $251K |
| 71 | 34740 | Killarney | 73 | B | 0 | — |
| 72 | 32789 | Winter Park | 72 | B | 18 (7 health) | $695K |
| 73 | 32768 | Plymouth | 66 | C | 0 | — |
| 74 | 34270 | Tallevast | 66 | C | 0 | — |
| 75 | 34992 | Port Salerno | 65 | C | 0 | — |
| 76 | 34251 | Myakka City | 60 | C | 0 | $506K |
Recommended Buyer Guides for Orange County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Orange County, Florida
Overview
Orange County in Florida covers 76 ZIP codes with an average Home Safety Score of B (82/100).
71 of 76 ZIP codes have recorded EPA violations. 248 health-based violations have been documented.
← Back to Florida water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.