B
84

Good Water Quality

Grants Pass, OR 97528

Josephine County · Population served: 535 · Data updated March 2026

Water Systems Serving This Area

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COUNTRY VILLAGE MOBILE ESTATES
Groundwater · Pop. 80
PWSID: OR4100341
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FAMILY REDWOOD PARK COOPERATIVE
Groundwater · Pop. 250
PWSID: OR4100348
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HIGHLAND HEIGHTS ESTATES
Groundwater · Pop. 60
PWSID: OR4100350
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PARKDALE WATER SYSTEM
Groundwater · Pop. 100
PWSID: OR4101256
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CAVEMAN MOBILE HOME PARK
Groundwater · Pop. 45
PWSID: OR4101260

Violation History (Last 5 Years)

17Total (5yr)
1Health-Based
0Major

Water Quality Summary

Understanding Your Water in Grants Pass

Tap water quality in Grants Pass, Oregon (97528) receives an overall grade of B (Good) with a score of 84 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 17 points above the Oregon state average of 67. The area is served by 5 water systems providing water to approximately 535 people, using groundwater sources. Over the past 5 years, water systems here have accumulated 17 violations, including 1 health-based violations.

Your Score 84/100 B
vs State 17 pts above Oregon avg (67)
vs National 9 pts above national avg (75)

What a Grade B Means

A score of 84/100 means the water in Grants Pass, OR is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Grants Pass, Oregon receives a grade of B (Good) with a score of 84/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 97528 is served by 5 water systems using groundwater sources, providing water to approximately 535 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

No lead data is currently available for ZIP code 97528. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

No PFAS ("forever chemicals") were detected in water systems serving Grants Pass, Oregon during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Grants Pass, Oregon have received 17 violations in the last 5 years, including 1 health-based violation. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Water in Grants Pass, Oregon shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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