How many water violations are in Lucas County?

Lucas County has 3,569 total drinking water violations across 46 water systems, of which 742 are health-based violations. 95.7% of systems have at least one violation.

How many people get water from Lucas County systems?

Water systems in Lucas County serve approximately 433,198 people through 46 public water systems.

Has PFAS been detected in Lucas County water?

Under EPA UCMR5, 4 of 6 tested systems in Lucas County had at least one PFAS detection (66.7% of the UCMR5-tested subset - not of all 46 SDWIS systems).

What types of water sources supply Lucas County?

Water systems in Lucas County use GW (40 systems), SW (6 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 Lucas County's violations are health-based. Among counties with any SDWIS violations, this extract puts Lucas County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

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

According to EPA SDWIS county population served used on /counties, Lucas County ranks #163 of 3,254 counties by people served, and #6 of 88 counties in Ohio. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Ohio

Lucas County, Ohio

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet OH095 · Lucas County 46 sys · 3,569 viol · #163/3254

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

VIOL-SEVERE 95.7% flagged
HEALTH-MID 20.8% health
RANK-TOP #163/3254
PHOTO-FINISH ±0.3 pp
PFAS-HIGH 66.7% detect
SRC-GW GW lead 87%
SYS-MID 46 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Williams County ( -0.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Lucas County ranks #163 of 3,254 counties by people served, and #6 of 88 counties in Ohio. See methodology · corpus placement.

Lucas County standing, mid-flagged corpus third

Flagged-system rate 95.7% 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 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #163 of 3,254 · #6 of 88 in Ohio.

Water Systems

System Name	Population	Violations	PFAS
Toledo City Of	360,000	26	Detected
Sylvania City	21,618	11	Clean
Oregon City	19,950	18	Detected
Maumee City	14,286	9	Clean
Waterville City	6,500	11	Detected
Whitehouse Village	5,200	52	Detected
Christ the Word Church	550	8	-
Arrowhead Lake MHP	327	74	-
Casual Country Campground	310	104	-
Twin Acres RV Park	249	14	-
Ozzies General Market	225	23	-
Dollar General Store - Neapolis #21599	223	0	-
Campfire RV Park	206	8	-
Meinke Marina-Laraines Landing West	205	60	-
The Stables	200	0	-
Howard Marsh Toledo Metropark	200	5	-
Hidden Lake Campground	165	49	-
Anchor Pointe Marina F-G Bank	152	44	-
Meinke Campground West	150	60	-
Bethany Baptist Church-Grand Rapids	150	41	-
The Butterfly House - Toledo	150	18	-
Meinke Campground Annex	150	8	-
Anchor Pointe Marina - Flying Bridge Res	130	22	-
Our Lady of Mount Carmel Church-Bono	130	38	-
Anchor Pointe Marina C Bank	130	31	-
Anchor Pointe Marina H - I Bank	110	61	-
Oak Openings - Lodge	105	60	-
Bluegrass Campground	103	41	-
Whispering Winds Mhc	100	1,429	-
The Nest at the Greens	100	10	-
Oak Openings - Mallard Lake	100	104	-
Oak Openings - White Oak	100	24	-
Lake Erie Lodge-Curtice	100	102	-
Oak Openings - Evergreen Lake	95	37	-
Oak Openings - Springbrook Area	95	41	-
Cooley Canal Yacht Club-Clubhouse	80	34	-
The Roadhouse Restaurant - Swanton	80	76	-
Meinke Marina a-Bank East	71	63	-
Monclova Rentals	63	55	-
Meinke Marina B-Bank East	62	63	-
The Haven Lounge	50	133	-
Oak Openings - Springbrook Cmpgd	50	95	-
Superior Made RV Resort	50	113	-
Scott RD Property LLC Amlc	48	32	-
The New Bono Tavern	45	184	-
Cooley Canal Yacht Club-Marina	35	78	-

Compare beyond Ohio

Mid-flagged peers for Lucas County

Cross-state counties nearest Lucas County on flagged-system share (95.7%) and cumulative violation count (3,569). 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.