Poor Water Quality
Water Quality Summary
Tap water quality in Grover Beach, California (93483) receives an overall grade of D (Poor) with a score of 53 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 28 points below the California state average of 81. Compared to the national average (75), this area scores significantly lower. The area is served by Rim Rock Water Company, a groundwater system providing water to approximately 55 people. Over the past 5 years, water systems here have accumulated 51 violations, including 48 health-based violations.
A score of 53/100 signals poor water quality in Grover Beach, CA. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.
Common Questions
Tap water in Grover Beach, California receives a grade of D (Poor) with a score of 53/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.
ZIP code 93483 is served by 1 water system using groundwater sources, providing water to approximately 55 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 93483. 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 Grover Beach, California 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 Grover Beach, California have received 51 violations in the last 5 years, including 48 health-based violations. 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 Grover Beach, California 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.