Short Hills, NJ vs Colts Neck, NJ

When comparing tap water quality between Short Hills, NJ and Colts Neck, NJ, Colts Neck currently holds a noticeable 6-point lead in average WaterQ score, with a score of 92 out of 100 versus 86 for Short Hills. Short Hills, NJ carries a B grade while Colts Neck, NJ carries an A. A WaterQ score reflects an aggregate of EPA-reported violations, monitoring data, and compliance history across all public water systems serving each city, so a higher score generally indicates fewer recent violations and a stronger compliance record, though it does not guarantee that every tap in the city tests identically.

Colts Neck, NJ is the larger of the two, with 167,803 more residents than Short Hills. Colts Neck is served by 4 public water systems, compared with 1 in Short Hills — a difference of 3 systems. A larger number of systems often reflects a more fragmented distribution network spanning multiple utilities, suburbs, or rural service areas, while a single large utility serving a big population can benefit from economies of scale in treatment and monitoring, but may also face more complex, aging infrastructure to maintain.

For residents of either Short Hills or Colts Neck, the most useful next step is to look up the specific water system that serves your address, since city-wide averages combine results from every system in the area. Visit the Short Hills or Colts Neck city pages below for a breakdown of local systems, recent violations, and contaminant-specific data, or browse WaterQ's contaminants directory to learn what each measured substance means for health.