Garden Valley, ID 83622

8 water systems1,081 residents

Poor water quality - filtration recommended

D

Score: 34/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

75

Contaminants Detected

828

Violations on Record

285

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History12 / 25
Contaminant Severity0 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score34%

34 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Activated Carbon Filter (disinfection byproducts)
  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Garden Valley vs ID & National Average

Detected Contaminants

75 contaminants detected across water systems serving this ZIP code

ContaminantCategory
AtrazineAgricultural
GlyphosateAgricultural
NitrateAgricultural
SimazineAgricultural
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Antimony, TotalHeavy Metal
ArsenicHeavy Metal
Beryllium, TotalHeavy Metal
Lead and Copper RuleHeavy Metal
NickelHeavy Metal
Thallium, TotalHeavy Metal
CYANIDEInorganic
FluorideInorganic
Coliform (TCR)Microorganism
E. COLIMicroorganism
Revised Total Coliform RuleMicroorganism
1,1,1-TrichloroethaneOther
1,1,2-TrichloroethaneOther
1,2-DIBROMO-3-CHLOROPROPANEOther
1,2-DichloropropaneOther
2,4-DOther
2,4,5-TPOther
Benzo(a)pyreneOther
BHC-GAMMAOther
CarbofuranOther
ChlordaneOther
ChlorineOther
Consumer Confidence RuleOther
DalaponOther
Di(2-ethylhexyl) adipateOther
Di(2-ethylhexyl) phthalateOther
DICHLOROMETHANEOther
DinosebOther
DiquatOther
EndothallOther
EndrinOther
ETHYLENE DIBROMIDEOther
Groundwater RuleOther
HeptachlorOther
Heptachlor epoxideOther
HexachlorocyclopentadieneOther
Interim Enhanced Surface Water Treatment RuleOther
LASSOOther
Long Term 2 Enhanced Surface Water Treatment RuleOther
MethoxychlorOther
OXAMYLOther
PentachlorophenolOther
PicloramOther
Public NoticeOther
Surface Water Treatment RuleOther
Total Polychlorinated Biphenyls (PCB)Other
ToxapheneOther
Combined UraniumRadiological
Gross Alpha, Excl. Radon and URadiological
Radium-226Radiological
Radium-228Radiological
1,1-DichloroethyleneVolatile Organic
1,2-DichloroethaneVolatile Organic
1,2,4-TrichlorobenzeneVolatile Organic
BenzeneVolatile Organic
Carbon tetrachlorideVolatile Organic
CHLOROBENZENEVolatile Organic
cis-1,2-DichloroethyleneVolatile Organic
EthylbenzeneVolatile Organic
HEXACHLOROBENZENEVolatile Organic
o-DichlorobenzeneVolatile Organic
p-DichlorobenzeneVolatile Organic
StyreneVolatile Organic
TetrachloroethyleneVolatile Organic
TolueneVolatile Organic
trans-1,2-DichloroethyleneVolatile Organic
TrichloroethyleneVolatile Organic
Vinyl chlorideVolatile Organic
Xylenes, TotalVolatile Organic

Water System Information

Systems Serving This ZIP:
SCRIVER WOODS HOMEOWNERS ASSN, SOUTHFORK LANDING INC, CASTLE MOUNTAIN CREEKS OWNERS ASSN, MOUNTAIN VIEW WATER AND ROAD ASSN, MOUNTAIN SHADOWS HOA INC. +3 more
Population Served:
1,081
Systems With Violations:
8 of 8
Major Violations:
404
Enforcement Actions:
676

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.