How many water violations are in Orange County?

Orange County has 5,841 total drinking water violations across 114 water systems, of which 710 are health-based violations. 96.5% of systems have at least one violation.

How many people get water from Orange County systems?

Water systems in Orange County serve approximately 1,615,975 people through 114 public water systems.

Has PFAS been detected in Orange County water?

Under EPA UCMR5, 6 of 16 tested systems in Orange County had at least one PFAS detection (37.5% of the UCMR5-tested subset - not of all 114 SDWIS systems).

What types of water sources supply Orange County?

Water systems in Orange County use GW (114 systems) as their primary water sources.

Are health-based violations serious?

Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 12.2% of Orange County's violations are health-based. Among counties with any SDWIS violations, this extract puts Orange County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Where does Orange County sit among U.S. counties for water-system population?

According to EPA SDWIS county population served used on /counties, Orange County ranks #27 of 3,254 counties by people served, and #4 of 67 counties in Florida. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Florida

Orange County, Florida

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet FL095 · Orange County 114 sys · 5,841 viol · #27/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-MID · BOOK-FULL

VIOL-SEVERE 96.5% flagged
HEALTH-LOW 12.2% health
RANK-TOP #27/3254
PHOTO-FINISH ±0.2 pp
PFAS-MID 37.5% detect
SRC-GW GW lead 100%
SYS-MID 114 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Walton County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Orange County ranks #27 of 3,254 counties by people served, and #4 of 67 counties in Florida. See methodology · corpus placement.

Orange County standing, mid-flagged corpus third

Flagged-system rate 96.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 12.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 37.5% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #27 of 3,254 · #4 of 67 in Florida.

Water Systems

System Name	Population	Violations	PFAS
Orlando Utilities Commission	536,466	51	Clean
Ocud/Eastern Water System (2 Wp)	293,374	41	Clean
Ocud/Western Regional Wtr Sys (5 Wps)	206,742	40	Detected
Cftod Central (4 Wps)	136,500	46	Clean
Winter Park, City of (3 Wps)	82,984	67	Clean
Ocud/Southern Water Sys (5 Wps)	80,738	27	Clean
Winter Garden Water Dept (3 Wps)	72,205	83	Detected
Apopka, City of (5 Wtps)	59,113	63	Detected
University of Central Florida	44,103	144	Clean
Ocoee, City of (2 Wps)	34,000	208	Detected
Maitland, City of (3 Wps)	13,370	53	Clean
Flamingo Crossing (Consec.)	9,704	1	-
Central Florida Research Park	9,200	29	Clean
Oakland Town Of	6,202	51	Detected
Pluris-Wedgefield Inc	6,157	82	Clean
Taft Water Association	4,232	112	Clean
Town of Eatonville	2,727	284	-
Zellwood Station (Consec)	2,571	61	-
Rock Springs MHP	1,338	95	-
Zellwood Water Users Inc. (2 Wps)	1,320	93	-
Clarcona Resorts	1,290	122	-
Starlight Ranch Mobile Home Estates	1,221	87	-
Crescent Heights S/D(consec)	969	15	-
Hidden Valley Mobile Home Park	907	50	-
Tangerine Park	851	33	-
Ocoee Pines (Consecutive)	834	2	-
Ocud/Northeast Resort (Consecutive)	772	0	-
Silver Star Village (2 Wps)	639	54	Detected
Brightwood Manor MHP	420	64	-
Ocud/Magnolia Woods Consec.wtr System	347	25	-
Valencia Estates MHP	305	105	-
Ouc Boggy South (Consec)	300	0	-
Stanton Energy Center	200	30	-
Ocud/Daetwyler Shores (Consec)	189	37	-
One Golden Oak (Consecutive)	175	1	-
Ola Beach Improvement Association	145	58	-
Davis Shores (Consec)	143	56	-
Hampden Dubose Academy	140	19	-
Orange County National Golf Center	130	4	-
Pine Isle Mobile Villa	127	82	-
Korean Presbyterian Church of Orlando	127	32	-
Big Oaks Mobile Home Park	125	41	-
Lakeside Cottages and RV Park	116	274	-
Premier Academy	100	16	-
Christ Chapel Florida Inc.	100	47	-
Valley MHP, The	98	47	-
University Sun Estates - College Park	90	78	-
University Sun Estates 2;3	78	100	-
Harrison's Trailer Park	70	130	-
Hermann Engelmann #6	69	139	-

Compare beyond Florida

Mid-flagged peers for Orange County

Cross-state counties nearest Orange County on flagged-system share (96.5%) and cumulative violation count (5,841). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.