Water Quality in Yakima, WA (99350)
EPA violation data for public water systems serving ZIP code 99350.
No Health-Based Violations
None of the 38 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are31 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
14,837
Population
38
Water Systems
31
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (38)
Kennewick City Of
All resolved Surface water 114,468 people served
2 violations (5yr)
· All resolved
Yakima Water Division City Of
All resolved Surface water 112,858 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Richland City Of
Surface water 106,248 people served
0 violations
Lead tested: 2.4 ppb (limit: 15 ppb) ✓
Nob Hill Water Association
All resolved Groundwater 36,026 people served
20 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
West Richland City Of
Purchased surface water 18,280 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Prosser City Of
All resolved Groundwater 6,211 people served
1 violation (5yr)
· All resolved
Wsu Iarec - Prosser
All resolved Groundwater 218 people served
2 violations (5yr)
· All resolved
Lead tested: 9.7 ppb (limit: 15 ppb) ✓
Riverside Ball Field
Groundwater 173 people served
0 violations
Alderdale Water Assn
All resolved Groundwater 171 people served
3 violations (5yr)
· All resolved
Lead tested: 0.9 ppb (limit: 15 ppb) ✓
Kiona Village Court
Groundwater 124 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Rainbow Court
All resolved Groundwater 120 people served
1 violation (5yr)
· All resolved
Roza Heights Water Assn
Groundwater 110 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Browns Mobile Park
Groundwater 60 people served
0 violations
Shuler Housing Water System
All resolved Groundwater 60 people served
1 violation (5yr)
· All resolved
Chinook Wines
Groundwater 54 people served
0 violations
Barn Restaurant, The
Groundwater 53 people served
0 violations
Rediske, Earl Water System
Groundwater 50 people served
0 violations
Mercer Ranches
Groundwater 42 people served
0 violations
Annas Mini Mart
Groundwater 40 people served
0 violations
Judkins Subdivision
Groundwater 36 people served
0 violations
Mercer Ranches Inc
Groundwater 31 people served
0 violations
Nic Nac Drive-In
Groundwater 30 people served
0 violations
Horse Heaven Hills Mobile Home Park
Groundwater 27 people served
0 violations
Prosser Packers Labor Camp
Groundwater 25 people served
0 violations
Hermosillo Water System
Groundwater 11 people served
0 violations
Benton County Fire District 3
Groundwater 10 people served
0 violations
Raya, Juan Well
Groundwater 8 people served
0 violations
Fisher Water System
Groundwater 8 people served
0 violations
Borden, Earl Well
Groundwater 7 people served
0 violations
M. Martinez Water System
Groundwater 7 people served
0 violations
Shrader Water System
Groundwater 6 people served
0 violations
Alexis
Groundwater 4 people served
0 violations
Kuhlman'S Water System
Groundwater 4 people served
0 violations
Turf Pro Water System
Groundwater 4 people served
0 violations
Easterly Water System
Groundwater 3 people served
0 violations
Kiona Ranch
Groundwater 3 people served
0 violations
Deatons Service & Grocery
Groundwater 3 people served
0 violations
County Well
Groundwater 2 people served
0 violations
Contaminants Found
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
4 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
2 violations
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jan 2023
How Does This Compare?
Yakima (99350) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 31, most of which are monitoring/reporting issues.
Fewer violations 85th percentile More violations
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.