PlainWater
Counties → Nevada

Washoe County, Nevada

Water Systems
72
Population Served
494,328
Total Violations
6,370
869 health-based
PFAS Detected
2
of 4 tested

Violation Analysis

88.9%
Systems with Violations
88.5
Avg Violations per System
13.6%
Health-Based Violations

Water Source Types

GW
46 systems (64%)
SW
4 systems (6%)

PFAS Contamination

4
Systems Tested
2
PFAS Detected
50.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Washoe Nevada water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (46)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Truckee Meadows Water Authority 442,000 1 Detected
Sun Valley Gid 17,000 7 Clean
Great Basin Water Co Cold Springs 9,650 28 Detected
Incline Village Gid 9,313 32 Clean
Great Basin Water Co Spanish Springs 1,460 27 -
Truckee Canyon 1,016 156 -
Washoe Valley Properties LLC 1,000 99 -
Sand Harbor State Park 1,000 9 -
Gold Ranch Casino 1,000 23 -
Mels Diner 1,000 17 -
Riverbelle Properties LLC Sasquatch Inn 1,000 9 -
Steamboat Springs Waterworks Inc 998 191 -
Mt Rose Ski Tahoe 800 18 -
Verdi Meadows Utility Company Inc 510 69 -
Washoe Lake State Park 467 46 -
Lemmon Valley Meetinghouse Lds 450 3 -
Pleasant Valley School 359 21 -
Empire Mining Company 350 306 -
Grandview Terrace Water District 328 69 -
Verdi Mutual Water Company 300 13 -
Desert Investment Group Ltd 250 41 -
Parr Reno Water Company 250 0 -
Slide Mountain Ski Area 200 22 -
Natchez School 200 17 -
Gerlach Gid 180 98 -
Springwood Equestrian Center 175 59 -
Lightning W 163 97 -
Johnnys Ristorante Italiano 150 59 -
The Lodge at Galena 142 60 -
Old Washoe Estates 135 3 -
Whispering Vine 125 1,002 -
Dollar General 123 0 -
Conestoga MHP 120 27 -
Silver Knolls Mutual Water Company 120 671 -
Stampmill 118 0 -
Washoe Valley Meetinghouse Facility Lds 108 73 -
Bowers Mansion 100 8 -
Crystal Peak Park 100 10 -
Golden Valley Park 100 28 -
Lemmon Valley Horsemans Park 100 6 -
Granite Hills Baptist Church 94 12 -
Wadsworth Mobile Home Park 90 418 -
Sunrise Estates 90 5 -
Reno Technology Park Water Company 80 0 -
Rio Vista NV LLC 65 221 -
Ke Ta Mobile Home Park 60 188 -
Reno Sahara Trailer Park 60 52 -
Sutcliffe Mobile Park 60 165 -
Rosemount Water Co 54 1,179 -
Sky Tavern 50 61 -

Other Counties in Nevada

Clark County
145 systems · 2,620,052 served · 14,829 violations
County NV025 County
4 systems · 59,225 served · 719 violations
Douglas County
38 systems · 54,913 served · 5,162 violations
Elko County
44 systems · 51,925 served · 3,094 violations
Lyon County
30 systems · 51,309 served · 4,095 violations
Nye County
96 systems · 33,987 served · 5,864 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Washoe County? ▼
Washoe County has 6,370 total drinking water violations across 72 water systems, of which 869 are health-based violations. 88.9% of systems have at least one violation.
How many people get water from Washoe County systems? ▼
Water systems in Washoe County serve approximately 494,328 people through 72 public water systems.
Has PFAS been detected in Washoe County water? ▼
Of 4 water systems tested for PFAS in Washoe County, 2 had PFAS detected (50.0% detection rate).
What types of water sources supply Washoe County? ▼
Water systems in Washoe County use GW (46 systems), SW (4 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. 13.6% of Washoe County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - 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 Editorial

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.