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Counties → California

Amador County, California

SDWIS compliance plate

Sheet CA005 · Amador County 71 sys · 1,026 viol · #1051/3254

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

  • VIOL-SEVERE 80.3% flagged
  • HEALTH-MID 25.2% health
  • RANK-UPPER #1051/3254
  • PHOTO-FINISH ±0.3 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 80%
  • SYS-MID 71 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Amador County ranks #1,051 of 3,254 counties by people served, and #47 of 58 counties in California. See methodology · corpus placement.

Amador County standing, lower-flagged corpus third

Flagged-system rate 80.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 25.2% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,051 of 3,254 · #47 of 58 in California.

Flagged-rate neighbourhood around Amador County

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

0% 20% 40% 60% 80% 100% Alpine · lowest Marin · near Plumas · near Sutter · highest 70% 79.1% 79.6% 79.8% 80% 80.3% 97.1%

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

Water Systems

System Name Population Violations PFAS
Awa Buckhorn Plant 8,791 13 Clean
Awa, Ione 7,227 22 Clean
City of Jackson 5,019 23 Clean
Awa, Tanner 4,940 16 Clean
Jackson Valley Irrigation District 3,553 66 Clean
Awa - Camanche Village 2,402 13 -
Pine Grove Comm Serv Dist 1,141 20 -
Plymouth, City Of 1,060 51 -
Camanche North Shore Inc. 922 2 -
First Mace Meadow # 1 838 19 -
Plasse's Resort 730 11 -
River Pines PUD 574 14 -
Bear River Lake Resort 571 22 -
Silver Lake Campground 500 11 -
Helwig Winery 500 5 -
Camp Winton 300 51 -
Hope Foundation/Moriah Heights 299 36 -
Pardee Recreation Area 251 3 -
Camp Ritchie 250 8 -
First Mace Meadows Unit No. 2 230 3 -
Drytown County Water District 221 13 -
Bear River Camp--South Shore 200 10 -
Awa la Mel Heights #3 188 13 -
Mp Associates, Inc. 150 0 -
Bear River Summer Home Tract 126 3 -
Grace Fellowship Church 125 14 -
Bear River Group Campground 125 18 -
Black Chasm Cavern 115 13 -
Volcano Community Service Dist 103 15 -
Fiddletown Community Service 100 33 -
Stockton Silver Lake Family Camp 100 23 -
Kit Carson Lodge 100 21 -
Villa Toscano Winery 100 7 -
Jeff Runquist Winery 95 0 -
Amador Harvest Inn 87 16 -
Bella Piazza Winery 71 12 -
So. Silver Lake Homeowners 67 26 -
Kirkwood Campground 65 10 -
Indian Grinding Rock-Calaveras District 63 0 -
Forest Point Mhc 62 20 -
E. Silver Lake Homeowners 54 17 -
Turley Wine Cellars 50 14 -
Belledor Vineyards 50 0 -
Blood Gulch 50 0 -
Golden Valley Camp 45 15 -
Rancho del Oro MHP 44 28 -
Rombauer Sierra Foothills 44 0 -
L'azienda D'agostini 42 24 -
Sutter Pines MHP 40 7 -
Ione Band of Miwok Indians 40 9 -

Compare beyond California

Lower-flagged peers for Amador County

Cross-state counties nearest Amador County on flagged-system share (80.3%) and cumulative violation count (1,026). 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.