How many water violations are in Martin County?

Martin County has 3,412 total drinking water violations across 60 water systems, of which 616 are health-based violations. 100.0% of systems have at least one violation.

How many people get water from Martin County systems?

Water systems in Martin County serve approximately 161,250 people through 60 public water systems.

Has PFAS been detected in Martin County water?

Under EPA UCMR5, 4 of 5 tested systems in Martin County had at least one PFAS detection (80.0% of the UCMR5-tested subset - not of all 60 SDWIS systems).

What types of water sources supply Martin County?

Water systems in Martin County use GW (60 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. 18.1% of Martin County's violations are health-based. Among counties with any SDWIS violations, this extract puts Martin County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

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

According to EPA SDWIS county population served used on /counties, Martin County ranks #398 of 3,254 counties by people served, and #33 of 67 counties in Florida. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Florida

Martin County, Florida

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet FL085 · Martin County 60 sys · 3,412 viol · #398/3254

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

VIOL-SEVERE 100.0% flagged
HEALTH-LOW 18.1% health
RANK-TOP #398/3254
PHOTO-FINISH ±0.0 pp
PFAS-HIGH 80.0% detect
SRC-GW GW lead 100%
SYS-MID 60 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, Martin County ranks #398 of 3,254 counties by people served, and #33 of 67 counties in Florida. See methodology · corpus placement.

Martin 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 18.1% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 80.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #398 of 3,254 · #33 of 67 in Florida.

Water Systems

System Name	Population	Violations	PFAS
Martin Co Utilities	104,105	59	Clean
South Martin Regional Utilities	27,000	122	Detected
Stuart, City of - Water Plant	16,841	51	Detected
Village of Indiantown	5,847	135	Detected
Sailfish Point	1,145	36	-
St. Lucie Mobile Village	750	216	Detected
St. Lucie Falls	499	56	-
Soundings Yacht ; Tennis Club	450	68	-
Jupiter/Tequesta Church of Chr	444	59	-
Old Trail Clubhouse	400	20	-
Natalie Estates Mobile Home Pk #200	250	46	-
Lakeside Village MHP	220	99	-
South Fork Homeowner Util Corp	200	41	-
Tanah Keeta Scout Reservation	200	44	-
Camp Welaka	200	61	-
Woodbridge Mobile Village	189	57	-
Grove Xxiii Clubhouse	154	2	-
Rockin H Ranch	150	5	-
North River Shores Tennis Club	150	55	-
Cora-Win Cove	127	123	-
Dunklin Memorial Camp	120	46	-
New Hope Fellowship	110	60	-
Crane Watch Club	100	23	-
Humane Society of the Treasure Coast	100	16	-
Palm Circle Cottages and MHP	99	149	-
Seabranch RV Resort	90	79	-
Wb Payson Park - Dormitory	90	13	-
Wb Payson Park - Mane Gait Cafe	78	12	-
Twin Rivers Trailer Park	70	17	-
3 Boys Farm	70	13	-
Poma Parcel 15	66	34	-
Blue Heron Mobile Home Park	55	67	-
Bay State Milling Co.	50	59	-
Dye Preserve Golf Club	50	33	-
Tanah Keetah - Clear Lake	50	46	-
Dupuis Reserve	50	128	-
New Beginnings Community Church	50	9	-
J ; S Fish Camp	40	181	-
Old Trail Golf Maint Bldg	40	351	-
Grove Xxiii Maintenance Bldg	37	12	-
Cape Club	30	283	-
Wb Payson Park - Stable Barn	30	11	-
S.t.o.p. Camp	28	48	-
Salerno RD Baptist Church	26	34	-
Jon Dickinson St Pk - Nelson	25	39	-
Open Gate Trailer Park	25	114	-
I-95 Rest Area	25	13	-
Midnight Farms Country Store	25	15	-
Church of the Advent	25	42	-
Amvets Post #14	25	5	-

Compare beyond Florida

Mid-flagged peers for Martin County

Cross-state counties nearest Martin County on flagged-system share (100.0%) and cumulative violation count (3,412). 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.