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Counties → California

Tulare County, California

SDWIS compliance plate

Sheet CA107 · Tulare County 296 sys · 12,135 viol · #156/3254

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

  • VIOL-SEVERE 94.9% flagged
  • HEALTH-HIGH 59.4% health
  • RANK-TOP #156/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-LOW 20.0% detect
  • SRC-GW GW lead 93%
  • SYS-LARGE 296 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Tulare County ranks #156 of 3,254 counties by people served, and #21 of 58 counties in California. See methodology · corpus placement.

Tulare County standing, mid-flagged corpus third

Flagged-system rate 94.9% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 59.4% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 20.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #156 of 3,254 · #21 of 58 in California.

Flagged-rate neighbourhood around Tulare County

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

0% 20% 40% 60% 80% 100% Alpine · lowest Tulare · this county Mono · near Sutter · highest 70% 93.9% 94.9% 94.9% 95.7% 95.9% 97.1%

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

Water Systems

System Name Population Violations PFAS
Cws - Visalia 148,496 4 Detected
Tulare, City Of 72,131 18 Clean
Porterville, City Of 63,164 6 Detected
Lindsay, City Of 12,659 178 Detected
Exeter, City Of 11,169 38 -
Farmersville, City Of 10,243 28 Clean
Orosi Public Utility District 8,300 19 Clean
Woodlake, City Of 7,846 41 Clean
Earlimart PUD 7,679 35 Clean
Cutler PUD 6,200 45 Clean
Dinuba, City Of 6,081 36 Clean
Ivanhoe Public Utility Dist 4,580 22 Clean
Casillas Water System 3,000 2 -
Nps-Wolverton 2,940 278 -
Nps-Ash Mountain 2,930 7 -
Nps-Pinewood Water System 2,900 2 -
Pixley Public Util Dist 2,772 150 -
Strathmore Public Util Dist 2,669 189 -
Terra Bella Irrigation District - Tbt 2,656 58 Clean
Tipton Community Services Dist 2,543 27 Clean
Poplar Comm Service Dist 2,200 24 -
London Community Serv Dist 2,134 30 -
Woodville Public Utility Dist 1,740 19 -
Richgrove Community Services District 1,617 154 -
Springville PUD 1,500 25 -
Porterville Developmental Center 1,281 24 -
Del Oro River Island Serv Terr #1 1,280 147 -
Bob Wiley Detention Facility 1,130 8 -
Caltrans Phillip S. Raine Sfty Rsra Sb 1,000 24 -
Arco Am Pm - Pixley 1,000 27 -
Sultana Community Services District 983 56 -
Caltrans Phillip S. Raine Sfty Rsra Nb 980 32 -
Del Oro California Pines District 944 51 -
Sundale Union School 930 8 -
Nps-Dorst Cg 900 6 -
Alpaugh Community Services District 871 158 -
Liberty Elementary School 818 6 -
Jireh Packing Group - Cutler 770 12 -
Cws - Tulco Water Company 716 10 -
Linnell Farm Labor Center 694 13 -
Seville Water Company 691 44 -
Del Oro Traver District 657 29 -
Woodville Farm Labor Center 650 15 -
Plainview Mutual Water Company 617 65 -
Ducor Csd 616 33 -
Oak Valley School 570 102 -
North Kaweah Mutual Water Company 560 98 -
Patterson Tract Csd 550 40 Clean
Allensworth Csd 531 95 -
Bartlett Park 506 51 -

Compare beyond California

Mid-flagged peers for Tulare County

Cross-state counties nearest Tulare County on flagged-system share (94.9%) and cumulative violation count (12,135). 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.