How many water violations are in Osceola County?

Osceola County has 3,645 total drinking water violations across 64 water systems, of which 758 are health-based violations. 98.4% of systems have at least one violation.

How many people get water from Osceola County systems?

Water systems in Osceola County serve approximately 328,370 people through 64 public water systems.

Has PFAS been detected in Osceola County water?

Under EPA UCMR5, 1 of 5 tested systems in Osceola County had at least one PFAS detection (20.0% of the UCMR5-tested subset - not of all 64 SDWIS systems).

What types of water sources supply Osceola County?

Water systems in Osceola County use GW (64 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. 20.8% of Osceola County's violations are health-based. Among counties with any SDWIS violations, this extract puts Osceola County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

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

According to EPA SDWIS county population served used on /counties, Osceola County ranks #210 of 3,254 counties by people served, and #20 of 67 counties in Florida. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Florida

Osceola County, Florida

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet FL097 · Osceola County 64 sys · 3,645 viol · #210/3254

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

VIOL-SEVERE 98.4% flagged
HEALTH-MID 20.8% health
RANK-TOP #210/3254
PHOTO-FINISH ±0.1 pp
PFAS-LOW 20.0% detect
SRC-GW GW lead 100%
SYS-MID 64 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Seminole County ( -0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Osceola County ranks #210 of 3,254 counties by people served, and #20 of 67 counties in Florida. See methodology · corpus placement.

Osceola County standing, mid-flagged corpus third

Flagged-system rate 98.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.8% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 20.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #210 of 3,254 · #20 of 67 in Florida.

Water Systems

System Name	Population	Violations	PFAS
Toho Water Authority Eastern	110,102	164	Clean
St. Cloud, City of (3 Wps)	82,752	159	Clean
Toho Water Authority-Poinciana System	69,447	23	Clean
Toho Water Authority Western	40,330	75	Detected
Enterprise Cdd (Consecutive)	11,178	13	Clean
Harmony Cdd	6,221	234	-
Pleasant Hill Lakes S/D	2,957	55	-
Twa Sunbridge Water Treatment Plant	542	1	-
Hammock Pointe Utility Association Inc	515	116	-
Floridian RV Resort	450	101	-
Whispering Pines MHP	428	52	-
Great Oak R.V. Resort	300	103	-
Cypress Cove	289	93	-
Lake Runnymeade Mobile Home Park	222	196	-
21 Palms RV Resort	200	85	-
Shelter Cove Resort	187	163	-
Sharp's Mobile Home Park	179	35	-
Pleasant Hill Village	165	100	-
Lake Marian Shores	130	105	-
Mill Creek RV Resort	120	61	-
Colonial Mobile Home Park	115	68	-
Gate Precast	106	24	-
East Toho Fka Boggy Creek Resort	95	154	-
Community of Faith United Methodist Ch	90	18	-
Lake Toho Resort	70	67	-
Hidden Glen	70	17	-
Canoe Creek Service Plaza	68	176	-
Bermuda Mobile Home Park	48	86	-
Secrets Hideaway	45	61	-
Kissimmee RV Park	43	107	-
King's Mobile Home Park	43	73	-
Carroll Street Station	35	9	-
Tropical Palms Resort	34	25	-
Lake Marian Resort	32	62	-
Mack Farms	32	1	-
Cane Island Power Park	29	48	-
Pilot Travel Center 096	26	26	-
Smitty's Bar-B-Q, LLC	25	29	-
Canoe Creek RV Resort, LLC	25	99	-
Friendly Village Inn	25	45	-
Lakeview Terrace Trailer Park	25	21	-
El Rancho Cucina	25	20	-
Southport Park	25	45	-
Stuckey's	25	45	-
Richardson's Fish Camp	25	60	-
Paps Food Mart	25	18	-
Narayan Food Mart (Shell Food Mart)	25	9	-
Wild Florida Airboats, LLC	25	17	-
Jiffy Food Store #2483	25	33	-
Cozy Cove Inn	25	13	-

Compare beyond Florida

Mid-flagged peers for Osceola County

Cross-state counties nearest Osceola County on flagged-system share (98.4%) and cumulative violation count (3,645). 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.