The groundwater supplying Virginia Beach city households comes primarily from the 121YRKNC aquifer. Water typically reaches residential taps after extraction from wells drilled 62 to 208 feet deep. The local groundwater quality is monitored by periodic sampling, which helps residents understand area water conditions and identify appropriate treatment approaches.

What distinguishes this problem from the two problems most often confused with it

Sampling shows the presence of iron but no health violations

Area samples detect iron in well water, but concentrations remain below any federal health thresholds. This differs from primary contaminant concerns that trigger health advisories or treatment mandates.

Iron presence versus sediment or hardness issues

Iron affects water coloration and staining rather than causing hardness or sediment buildup, which are separate water concerns.

How many samples and wells stand behind the figures, and what a small sample means

Data based on 47 results from 17 wells during 2010-2026

Government sampling compiled 47 iron measurements from 17 different wells, providing a moderate dataset for the aquifer.

Variability across wells and time

Iron concentration ranged widely from 160.0 to 6990.0 micrograms per liter, indicating natural variation within the aquifer and its wells.

Single well results may differ substantially

Since these figures represent multiple wells, any individual well's water quality requires its own laboratory test to determine exact iron levels.

How the treated water differs at the tap once the documented technology is in place

Reduction of iron staining and discoloration

The Autotrol Total Well Chlorination System reduces iron-related water discoloration, improving aesthetic appeal and minimizing staining on fixtures.

Improved water clarity and taste

Treatment using the Autotrol System results in clearer water that can enhance household water uses without altering the water's safety, which is already demonstrated by area sampling.

Configured for typical household capacity

This system features a grain capacity of 32,000 grains, suitable for standard residential demand measured by homeowners.

How the constituent enters groundwater or the distribution system in this region

Natural geological sources in the 121YRKNC aquifer

Iron naturally occurs in surrounding soils and rock formations, dissolving into water that permeates the aquifer.

Well depth influences iron concentration

Wells sampling at depths between 62 and 208 feet show detected iron, reflecting typical aquifer geochemistry rather than contamination.

Iron mobilization affected by groundwater chemistry

Environmental factors like pH and oxygen levels influence iron presence but are specific to each well.

A worked example: reading the record's median and range as a homeowner would

Median iron concentration of 970.5 ug/L as a central tendency

Half of the area well samples measured iron below or near 970.5 micrograms per liter, suggesting moderate iron presence is typical.

Range from 160.0 to 6990.0 ug/L reflects variability

Individual wells may have much lower or considerably higher iron levels; homeowner testing is essential for a precise assessment.

One sample below reporting limit indicates occasional low detection

Only one of 47 measurements was below the instrument’s reporting threshold, showing nearly universal iron detection in the area.

Given these regional water quality insights, the Autotrol Total Well Chlorination System provides an effective solution for households in Virginia Beach city aiming to address iron-related water aesthetic issues. This system ships ready to configure and meets residential demands with a 32,000 grain capacity, supporting cleaner, clearer water at your tap based on your own water usage and testing results.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2026-06-03. These figures describe groundwater sampled in this area. They are not a test of any individual private well - only a test of that well can establish its own water.

On record: U.S. Geological Survey sampling of Iron in the 121YRKNC aquifer (Virginia Beach city County): 47 results from 17 wells, median 970.5 ug/L, range 160.0-6990.0 ug/L; none above any federal threshold