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Counties → Florida

Collier County, Florida

SDWIS compliance plate

Sheet FL021 · Collier County 44 sys · 1,949 viol · #189/3254

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

  • VIOL-SEVERE 84.1% flagged
  • HEALTH-MID 31.7% health
  • RANK-TOP #189/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-HIGH 80.0% detect
  • SRC-GW GW lead 95%
  • SYS-MID 44 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Sarasota County (+ 0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Collier County ranks #189 of 3,254 counties by people served, and #17 of 67 counties in Florida. See methodology · corpus placement.

Collier County standing, lower-flagged corpus third

Flagged-system rate 84.1% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 31.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 80.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #189 of 3,254 · #17 of 67 in Florida.

Flagged-rate neighbourhood around Collier County

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

0% 20% 40% 60% 80% 100% Dixie · lowest Collier · this county Baker · near Monroe · highest 66.7% 83.3% 84.1% 84.1% 84.2% 85% 100%

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

Water Systems

System Name Population Violations PFAS
Collier County Regional WTP 215,350 17 Clean
Naples Water Dept 82,000 46 Detected
Marco Island Utilities (City Of) 31,830 52 Detected
Immokalee Water 26,841 99 Detected
Ave Maria Utility Company, Lllp 11,982 41 -
Everglades City 2,978 212 -
Sabal Palm Elementary 1,530 32 -
Port of the Islands 1,200 46 -
I-75 South Reststop 999 4 -
I-75 Rest Area Mm 63 Northside 999 1 -
Goodland Water Company 853 20 Detected
Hakan Services, Inc. 700 27 -
Estates Elementary School 673 33 -
Center Point Community Church 600 17 -
Palmetto J Elementary School 585 47 -
7 Eleven - Golden Gate 500 2 -
Naples Church 500 6 -
Naples Christian Academy 450 8 -
Midway Campground 307 6 -
Trail Lakes Campground 240 35 -
Golden Gate Assembly of God 200 0 -
Golden Gate Library 175 2 -
Center Point Community Church Youth Sanc 166 0 -
Hideout Golf Club System 100 0 -
Swfrec 99 61 -
Lee Cypress Co-Op 82 272 -
Everglades Square 61 3 -
Corkscrew Swamp Sanctuary 50 18 -
Big Cypress Park Headquarters 50 59 -
Randall Center 50 2 -
Trees Camp WTP 50 273 -
Wilson Blvd. Retail Center 50 250 -
Golden Gate Walgreens (Store #10742) 50 0 -
Temple Bethel 40 29 -
The Hyper Club( Formerly Fca US LLC) 40 40 -
Monument Lake Campground 40 3 -
La Hispana #2 38 85 -
Valero Gas Station 35 36 -
Naples Therapeutic Riding Center 30 21 -
Oasis Ranger Station 25 4 -
Unity Faith Missionary Baptist 25 40 -
Pepper Ranch 25 0 -
Big Bear Plaza Food Mart 25 0 -
Tractor Supply Golden Gate Estates Store 25 0 -

Compare beyond Florida

Lower-flagged peers for Collier County

Cross-state counties nearest Collier County on flagged-system share (84.1%) and cumulative violation count (1,949). 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.