Autotrol Orange Iron & Rust Stains Filter

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This week, you must decide what the water test results for Tompkins County’s aquifer suggest about potential iron and rust issues in your home and what tests you need to confirm your own water’s condition.

Seasonal and Multi-Year Variation in Tompkins County Iron Data

Sampling Dates and Range of Concentrations

The U.S. Geological Survey collected iron data from 29 samples across 22 wells in Tompkins County’s aquifer 112SDGV, spanning from late 2011 to late 2019. Results ranged widely from 11.5 to 5970 micrograms per liter, with a median concentration near 598 micrograms per liter.

Variation Reflects Natural Aquifer Differences

These fluctuations highlight that iron levels in this aquifer can vary significantly by location and well depth (12 to 180 feet). Seasonal or year-to-year changes may also influence measurements but are not isolated here.

Sample Size and What It Means for Confidence

Number of Wells and Samples

The iron data represents a moderate number of wells and repeat samples, giving a broad but not exhaustive perspective of the aquifer’s iron content over nearly a decade.

Implications of This Sample Scope

While useful for regional assessment, the sample size means individual wells could fall outside these ranges. A small number of samples per well limits certainty about typical iron levels at any single point.

Household Symptoms Related to Iron and Rust

Indicators That May Signal Iron Presence

• Rust-colored stains on fixtures and laundry
• Metallic taste in water
• Water discoloration ranging from yellowish to reddish hues

What These Symptoms Do Not Confirm

These symptoms alone cannot establish your water’s iron concentration or source. Other causes such as plumbing material or sediment should be considered.

Comparing Tompkins County Data with Neighboring Regions

Similar Iron Variability in Adjacent Areas

Neighboring counties may also show varying iron levels in regional aquifers. Directly equating their numbers to your home’s water quality is not advisable without specific testing.

Avoiding Overinterpretation

Area-level data offer context but must not be used to presume individual well conditions or to infer specific water quality problems without personal water analysis.

Influence of Plumbing Materials and Age Separate from Source Water

Rust and Iron Stains Can Originate from Pipes

Older plumbing or iron-containing pipes may contribute to rust-colored water or staining even when source water iron levels are low.

Distinguishing Source Water Iron from Plumbing Effects

Testing source water separately from household plumbing is essential to correctly identify the iron’s origin.

What Not to Conclude from Tompkins County Data

Area-wide iron detection, even at maximum measured concentrations, did not exceed federal limits in this aquifer. This means the presence of iron detected in these samples is not an indication of unsafe water. Your home’s water quality can only be accurately determined through specific testing of your own well or water source.

If iron and rust are a concern for your household, you may consider water treatment options designed to address these issues effectively. The Autotrol Orange Iron & Rust Stains Filter system ships ready to configure and is documented to reduce iron-related staining and discoloration when properly matched to water conditions verified by testing.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2019-10-02. 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 112SDGV aquifer (Tompkins County): 29 results from 22 wells, median 598.0 ug/L, range 11.5-5970.0 ug/L; none above any federal threshold