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Counties → California

Yuba County, California

SDWIS compliance plate

Sheet CA115 · Yuba County 69 sys · 545 viol · #528/3254

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

  • VIOL-SEVERE 85.5% flagged
  • HEALTH-LOW 18.5% health
  • RANK-TOP #528/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-LOW 14.3% detect
  • SRC-GW GW lead 93%
  • SYS-MID 69 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Glenn County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Yuba County ranks #528 of 3,254 counties by people served, and #36 of 58 counties in California. See methodology · corpus placement.

Yuba County standing, lower-flagged corpus third

Flagged-system rate 85.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.5% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 14.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #528 of 3,254 · #36 of 58 in California.

Flagged-rate neighbourhood around Yuba County

Lowest/highest poles plus in-state counties nearest Yuba County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Alpine · lowest Glenn · near Santa Barbara · near Sutter · highest 70% 85.5% 85.7% 86.1% 86.2% 86.2% 97.1%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Linda County Water District 21,654 25 Clean
Yuba County Motorplex 18,000 0 -
Olivehurst Public U.d. 16,595 28 Clean
Cal-Water Service Co.-Marysville 12,419 2 Clean
Plumas Lake 10,464 4 Clean
Beale Air Force Base 6,785 25 Clean
Lake of the Springs 6,500 1 Clean
City of Wheatland 4,124 9 Detected
Camp Far West Resort 4,012 24 -
North Yuba Water District 2,772 4 -
Bullard's Bar Rec Fac Wtr Sys 2,208 24 -
Marysville Raceway Park 2,000 3 -
Marysville Flea Market 500 1 -
Collins Lake 350 2 -
Mjusd Foothill Intermediate School 325 9 -
Plumas Lake Golf & Country Club 250 1 -
Sycamore Ranch (Exempt) 238 2 -
Loma Rica Water Company 200 28 -
River Highlands Csd 200 9 -
Castlewood Mobile Home Park 200 10 -
Younglife Woodleaf 200 6 -
Countryside Mobile Home Park 185 47 -
Camptonville Community Serv Dist 180 3 -
Fellowship of Friends 160 5 -
Mjusd Browns Valley School 155 11 -
Baptist Christian Camp of Ca 151 26 -
Mjusd Loma Rica School 150 8 -
Norcal Adventure Area 130 2 -
Yes Charter Academy 125 55 -
Nevada ID - Smartsville 122 4 -
Mjusd Cordua School 110 8 -
Super Power Mart 102 1 -
North Yuba Little League 100 0 -
Dollar General - Loma Rica 100 0 -
Fairway Downs Mutual Water Co 100 11 -
Yuba River Moulding & Millwork 100 2 -
Riselen Park 100 13 -
Lake Francis Resort 100 5 -
Mjusd Dobbins School 85 12 -
Foothill Lions Club 65 4 -
Quail Ridge RV Park 62 3 -
Lake Francis Mutual Water Company 60 5 -
Rebel Ridge Village 60 9 -
Loma Rica Market 60 4 -
Willow Creek Campground 52 2 -
Pizza Round Up 51 0 -
Browns Valley One Stop 50 4 -
Alcouffe Community Center 50 4 -
Dollar General - Smartsville 50 0 -
Country Village Mobile Home Park 50 9 -

Compare beyond California

Lower-flagged peers for Yuba County

Cross-state counties nearest Yuba County on flagged-system share (85.5%) and cumulative violation count (545). 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

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.