How many water violations are in St. Lucie County?

St. Lucie County has 3,747 total drinking water violations across 45 water systems, of which 552 are health-based violations. 100.0% of systems have at least one violation.

How many people get water from St. Lucie County systems?

Water systems in St. Lucie County serve approximately 330,048 people through 45 public water systems.

Has PFAS been detected in St. Lucie County water?

Under EPA UCMR5, 2 of 4 tested systems in St. Lucie County had at least one PFAS detection (50.0% of the UCMR5-tested subset - not of all 45 SDWIS systems).

What types of water sources supply St. Lucie County?

Water systems in St. Lucie County use GW (45 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. 14.7% of St. Lucie County's violations are health-based. Among counties with any SDWIS violations, this extract puts St. Lucie County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

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

According to EPA SDWIS county population served used on /counties, St. Lucie County ranks #208 of 3,254 counties by people served, and #19 of 67 counties in Florida. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Florida

County profile · EPA SDWIS + UCMR5

St. Lucie County, Florida

45 SDWIS-listed public water systems serve 330,048 people in St. Lucie County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

Compiled by PlainWater · May 15, 2026

45
SDWIS water systems Larger third of counties: 3,747
Total violations Upper third of counties: 100.0%
SDWIS systems w/ a violation Middle third of counties: 50.0%
UCMR5 PFAS rate (4 tested) Upper third of counties with tests

SDWIS compliance plate

Sheet FL111 · St. Lucie County 45 sys · 3,747 viol · #208/3254

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

VIOL-SEVERE 100.0% flagged
HEALTH-LOW 14.7% health
RANK-TOP #208/3254
PHOTO-FINISH ±0.0 pp
PFAS-HIGH 50.0% detect
SRC-GW GW lead 100%
SYS-MID 45 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Broward County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, St. Lucie County ranks #208 of 3,254 counties by people served, and #19 of 67 counties in Florida. See methodology · corpus placement.

St. Lucie County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 14.7% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #208 of 3,254 · #19 of 67 in Florida.

Water Systems

System Name	Population	Violations	PFAS
Port St Lucie Utilities	224,485	50	Clean
Ft. Pierce Utilities Authority	58,000	23	Detected
St. Lucie West Services District	21,400	49	Clean
St Lucie County Util North County System	5,073	147	-
North Hutchinson Island	3,954	50	Detected
Spanish Lakes Fairways	3,120	65	-
Nettles Island	3,056	25	-
Indian River Estates	2,365	38	-
Spanish Lakes Country Club Village	2,331	77	-
Harbour Ridge	1,573	60	-
Grove , The	1,125	67	-
Meadowood	650	149	-
Fau Harbor Branch Ro Water System	642	157	-
Orange Avenue Baptist Church	200	57	-
Country Cove Mobile Home Park	197	112	-
Riverview Baptist Church, Inc.	150	39	-
Indian River Landing	130	178	-
Sandalwood Estates S/D	120	112	-
Colony Club MHP	102	85	-
Pineapple Joe's	100	19	-
A;b Wireless	100	2	-
Lake Manor MHP	100	133	-
Evans Properties - Bluefield Complex	92	3	-
Southern Truss	88	335	-
Cypress MHP	87	338	-
Bumblebee Academy	86	56	-
Bentonwood	80	106	-
The Crossing Community Church	80	20	-
Dlf Packing Fka Sunbrite Citrus	70	731	-
Lakewood Park Plaza	50	15	-
J;j Subco	50	19	-
Us1 Golf ; BBQ	48	9	-
H ; H MHP	44	110	-
Fort Pierce Cottages	25	41	-
Village Square Shopping Center	25	69	-
Lexington Shoppes	25	43	-
Kiwi Texaco	25	2	-
Aurora of the Treasure Coast, Inc.	25	7	-
Best Choice Meats	25	21	-
Fountain Resort	25	15	-
Twister Ice Cream LLC.	25	40	-
Carter's Grocery	25	19	-
Aycock Funeral Home	25	10	-
Two G's Food Stores	25	24	-
Usda Horticultural Research	25	20	-

Compare beyond Florida

Mid-flagged peers for St. Lucie County

Cross-state counties nearest St. Lucie County on flagged-system share (100.0%) and cumulative violation count (3,747). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.