Water Quality in Prineville, OR (97751)

EPA violation data for public water systems serving ZIP code 97751.

No Health-Based Violations

None of the 1 water system serving this ZIP has exceeded federal contaminant limits in the past 5 years. There are74 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 94% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

Population

Water Systems

Violations (5yr)

Health-Based

Location

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Water Systems Serving This Area (1)

Prineville, City Of

All resolved

Groundwater 11,000 people served

74 violations (5yr) · All resolved

Lead tested: 2.1 ppb (limit: 15 ppb) ✓

Resolved

COLIPHAGE Monitoring

Jun 2025 Resolved

COLIPHAGE Monitoring

Jan 2025 Resolved

Heptachlor Monitoring

Jan 2024 Resolved

cis-1,2-Dichloroethylene Monitoring

Jan 2024 Resolved

2,4,5-TP Monitoring

Jan 2024 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jan 2024 Resolved

Trichloroethylene Monitoring

Jan 2024 Resolved

DICHLOROMETHANE Monitoring

Jan 2024 Resolved

p-Dichlorobenzene Monitoring

Jan 2024 Resolved

Styrene Monitoring

Jan 2024 Resolved

Endothall Monitoring

Jan 2024 Resolved

OXAMYL Monitoring

Jan 2024 Resolved

Simazine Monitoring

Jan 2024 Resolved

ETHYLENE DIBROMIDE Monitoring

Jan 2024 Resolved

Methoxychlor Monitoring

Jan 2024 Resolved

LASSO Monitoring

Jan 2024 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jan 2024 Resolved

COLIPHAGE Monitoring

Jan 2024 Resolved

Toluene Monitoring

Jan 2024 Resolved

Benzo(a)pyrene Monitoring

Jan 2024 Resolved

Nitrate Monitoring

Jan 2024 Resolved

1,1-Dichloroethylene Monitoring

Jan 2024 Resolved

Xylenes, Total Monitoring

Jan 2024 Resolved

Diquat Monitoring

Jan 2024 Resolved

1,2-Dichloroethane Monitoring

Jan 2024 Resolved

Dinoseb Monitoring

Jan 2024 Resolved

Carbon tetrachloride Monitoring

Jan 2024 Resolved

Glyphosate Monitoring

Jan 2024 Resolved

trans-1,2-Dichloroethylene Monitoring

Jan 2024 Resolved

Hexachlorocyclopentadiene Monitoring

Jan 2024 Resolved

2,4-D Monitoring

Jan 2024 Resolved

1,1,1-Trichloroethane Monitoring

Jan 2024 Resolved

1,1,2-Trichloroethane Monitoring

Jan 2024 Resolved

Tetrachloroethylene Monitoring

Jan 2024 Resolved

o-Dichlorobenzene Monitoring

Jan 2024 Resolved

CHLOROBENZENE Monitoring

Jan 2024 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Jan 2024 Resolved

Atrazine Monitoring

Jan 2024 Resolved

Heptachlor epoxide Monitoring

Jan 2024 Resolved

HEXACHLOROBENZENE Monitoring

Jan 2024 Resolved

Vinyl chloride Monitoring

Jan 2024 Resolved

Benzene Monitoring

Jan 2024 Resolved

Ethylbenzene Monitoring

Jan 2024 Resolved

Carbofuran Monitoring

Jan 2024 Resolved

Di(2-ethylhexyl) adipate Monitoring

Jan 2024 Resolved

Pentachlorophenol Monitoring

Jan 2024 Resolved

BHC-GAMMA Monitoring

Jan 2024 Resolved

Picloram Monitoring

Jan 2024 Resolved

Toxaphene Monitoring

Jan 2024 Resolved

1,2-Dichloropropane Monitoring

Jan 2024 Resolved

Dalapon Monitoring

Jan 2024 Resolved

Chlordane Monitoring

Jan 2024 Resolved

1,2,4-Trichlorobenzene Monitoring

Jan 2024 Resolved

Endrin Monitoring

Jan 2024 Resolved

Consumer Confidence Rule Monitoring

Jul 2023 Resolved

Nitrate Monitoring

Jan 2023 Resolved

Gross Alpha, Excl. Radon and U Monitoring

Apr 2021 Resolved

Combined Radium (-226 and -228) Monitoring

Apr 2021 Resolved

Combined Uranium Monitoring

Apr 2021 Resolved

Contaminants Found

COLIPHAGEMonitoring

3 violations

All resolved

NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

2 violations

All resolved

HeptachlorMonitoring

1 violation

All resolved

cis-1,2-DichloroethyleneMonitoring

1 violation

All resolved

2,4,5-TPMonitoring

1 violation

All resolved

Total Polychlorinated Biphenyls (PCB)Monitoring

1 violation

All resolved

TrichloroethyleneMonitoring

1 violation

All resolved

DICHLOROMETHANEMonitoring

1 violation

All resolved

p-DichlorobenzeneMonitoring

1 violation

All resolved

StyreneMonitoring

1 violation

All resolved

EndothallMonitoring

1 violation

All resolved

OXAMYLMonitoring

1 violation

All resolved

SimazineMonitoring

1 violation

All resolved

ETHYLENE DIBROMIDEMonitoring

1 violation

All resolved

MethoxychlorMonitoring

1 violation

All resolved

LASSOMonitoring

1 violation

All resolved

1,2-DIBROMO-3-CHLOROPROPANEMonitoring

1 violation

All resolved

TolueneMonitoring

1 violation

All resolved

Benzo(a)pyreneMonitoring

1 violation

All resolved

1,1-DichloroethyleneMonitoring

1 violation

All resolved

Xylenes, TotalMonitoring

1 violation

All resolved

DiquatMonitoring

1 violation

All resolved

1,2-DichloroethaneMonitoring

1 violation

All resolved

DinosebMonitoring

1 violation

All resolved

Carbon tetrachlorideMonitoring

1 violation

All resolved

GlyphosateMonitoring

1 violation

All resolved

trans-1,2-DichloroethyleneMonitoring

1 violation

All resolved

HexachlorocyclopentadieneMonitoring

1 violation

All resolved

2,4-DMonitoring

1 violation

All resolved

1,1,1-TrichloroethaneMonitoring

1 violation

All resolved

1,1,2-TrichloroethaneMonitoring

1 violation

All resolved

TetrachloroethyleneMonitoring

1 violation

All resolved

o-DichlorobenzeneMonitoring

1 violation

All resolved

CHLOROBENZENEMonitoring

1 violation

All resolved

Di(2-ethylhexyl) phthalateMonitoring

1 violation

All resolved

AtrazineMonitoring

1 violation

All resolved

Heptachlor epoxideMonitoring

1 violation

All resolved

HEXACHLOROBENZENEMonitoring

1 violation

All resolved

Vinyl chlorideMonitoring

1 violation

All resolved

BenzeneMonitoring

1 violation

All resolved

EthylbenzeneMonitoring

1 violation

All resolved

CarbofuranMonitoring

1 violation

All resolved

Di(2-ethylhexyl) adipateMonitoring

1 violation

All resolved

PentachlorophenolMonitoring

1 violation

All resolved

BHC-GAMMAMonitoring

1 violation

All resolved

PicloramMonitoring

1 violation

All resolved

ToxapheneMonitoring

1 violation

All resolved

1,2-DichloropropaneMonitoring

1 violation

All resolved

DalaponMonitoring

1 violation

All resolved

ChlordaneMonitoring

1 violation

All resolved

1,2,4-TrichlorobenzeneMonitoring

1 violation

All resolved

EndrinMonitoring

1 violation

All resolved

Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation

All resolved

Gross Alpha, Excl. Radon and UMonitoring

1 violation

All resolved

Combined Radium (-226 and -228)Monitoring

1 violation

All resolved

Combined UraniumMonitoring

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

2.1 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Prineville (97751) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 74, most of which are monitoring/reporting issues.

Fewer violations 94th 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.

Water Quality in Prineville, OR (97751)

No Health-Based Violations

Location

Water Systems Serving This Area (1)

Prineville, City Of

Contaminants Found

Lead & Copper Levels

Lead (Pb)

How Does This Compare?

Water Filter Recommendations

Nearby ZIP Codes

Check Another ZIP Code