How many water violations are in Caroline County?

Caroline County has 3,127 total drinking water violations across 43 water systems, of which 648 are health-based violations. 86.0% of systems have at least one violation.

How many people get water from Caroline County systems?

Water systems in Caroline County serve approximately 33,476 people through 43 public water systems.

Has PFAS been detected in Caroline County water?

Under EPA UCMR5, 2 of 2 tested systems in Caroline County had at least one PFAS detection (100.0% of the UCMR5-tested subset - not of all 43 SDWIS systems).

What types of water sources supply Caroline County?

Water systems in Caroline County use GW (41 systems), SW (2 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. 20.7% of Caroline County's violations are health-based. Among counties with any SDWIS violations, this extract puts Caroline County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Counties → Virginia

County profile · EPA SDWIS + UCMR5

Caroline County, Virginia

43 SDWIS-listed public water systems serve 33,476 people in Caroline County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

Compiled by PlainWater · May 15, 2026

43
SDWIS water systems Larger third of counties: 3,127
Total violations Upper third of counties: 86.0%
SDWIS systems w/ a violation Lower third of counties: 100.0%
UCMR5 PFAS rate (2 tested) Upper third of counties with tests

SDWIS compliance plate

Sheet VA033 · Caroline County 43 sys · 3,127 viol · #1267/3254

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

VIOL-SEVERE 86.0% flagged
HEALTH-MID 20.7% health
RANK-UPPER #1267/3254
PHOTO-FINISH ±0.3 pp
PFAS-HIGH 100.0% detect
SRC-GW GW lead 95%
SYS-MID 43 systems
BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Caroline County ranks #1,267 of 3,254 counties by people served, and #22 of 95 counties in Virginia. See methodology · corpus placement.

Caroline County standing, lower-flagged corpus third

Flagged-system rate 86.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.7% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,267 of 3,254 · #22 of 95 in Virginia.

Water Systems

System Name	Population	Violations	PFAS
State Fair of VA	10,015	8	-
Lake Land`or	4,818	189	Detected
Caroline Utility System	4,235	32	Detected
Lake Caroline	2,933	468	-
Four Winds Campground	2,065	348	-
Caroline Co High School	2,000	13	-
Bowling Green, Town Of	1,233	186	-
Milford Sanitary District	1,117	23	-
Royal Farms #253- Port Royal	918	0	-
Peumansend Creek Regional Jail	396	164	-
Campbell`s Creek Subdivision	375	13	-
Port Royal, Town Of	327	269	-
Hornes	275	27	-
Cedar Ridge MHP	200	46	-
Fort Ap Hill - Headquarters	180	9	-
Woodford Estates Mhc	178	133	-
Caroline Correctional Unit #2	175	32	-
The Carmel School at Ruther Glen	150	155	-
Lakeshore MHP	150	31	-
Townfield-Prl	147	27	-
Elsinore Subdivision	138	9	-
Fort Ap Hill- Eod	138	0	-
Hidden Acres Family Campground	135	150	-
Glen Meadows Mobile Home Park	129	25	-
Camp Twenty Three Twelve, LLC	100	23	-
Four Winds Clubhouse	100	4	-
Pendleton Golf Club	100	45	-
Warriors Heart Virginia	90	337	-
Twin Cedars	90	226	-
Dollar General - Hanover	80	32	-
Williamsburg Millwork Corporation	75	4	-
Fort a P Hill - Central Camp	60	0	-
Tidewater MHP	60	31	-
Miss Alyson's LLC	48	0	-
Blue Iris	40	1	-
Dyson's	30	4	-
Fort Ap Hill- Rappahannock	26	8	-
Fort Ap Hill- Quartermaster Ttb	25	2	-
Fort Ap Hill- Sage Ttb	25	3	-
Fort Ap Hill- Warrior Ttb	25	4	-
Fort Ap Hill- 1200 Meter Range	25	0	-
Nps - Jackson Shrine	25	0	-
Mattaponi Springs Golf Course	25	46	-

Compare beyond Virginia

Lower-flagged peers for Caroline County

Cross-state counties nearest Caroline County on flagged-system share (86.0%) and cumulative violation count (3,127). 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.