Living with well water that carries hidden dangers is more than an inconvenience — it’s a daily worry. You notice reddish stains creeping onto sinks and fixtures, a reminder of iron’s presence quietly corroding pipes. The water’s faint chemical taste and the lurking threat of arsenic and nitrates cast a shadow over every glass you pour. You fear what’s flowing from your tap, worried about your family’s health and the unseen risks in each drop. This is the reality faced by many well owners, but it doesn’t have to be.

The matched package

The Pentek Well Contaminant & Health System is a complete, matched multi-stage well water treatment solution designed specifically to target and remove serious contaminants like arsenic and nitrates that can threaten your health. Every stage in the system uses Pentek-series control valves, all mounted on a single matched platform. This streamlined design ensures compatibility, reliability, and ease of control throughout your water treatment process. The package comes with a sediment pre-filter to protect your pump, an arsenic removal system targeting both Arsenic III and V, and a nitrate-selective stage ideal for water affected by agricultural or septic sources. For those wanting bottled-quality drinking water, an under-sink reverse osmosis add-on is available as a seamless extension of the same trusted brand. This matched platform approach guarantees you’re getting a carefully integrated solution, ready to safeguard your home’s water quality.

Stage	What it handles	Pentek hardware
Sediment Pre-filter	Stops well-pump sand and grit	Pentek-series control valve on matched platform
Arsenic Removal	Binds Arsenic III & V	Pentek-series control valve on matched platform
Nitrate-selective System	Removes nitrate from farm/septic impacted wells	Pentek-series control valve on matched platform
Under-sink Reverse Osmosis (optional)	Bottled-quality drinking water	Pentek-series control valve on matched platform

Every stage, explained

Sediment Pre-filter: The very first defense in your well system, this pre-filter is designed to catch and remove sand, grit, and other sediment particles that naturally occur in well water. By stopping these abrasive particles, it protects your well pump from excessive wear and damage, prolonging its lifespan. This stage ensures dirt and debris do not clog or erode the downstream components, keeping the entire treatment system running smoothly and efficiently.

Arsenic Removal: Arsenic contamination is a serious health hazard, especially in certain areas prone to high Arsenic III and V levels. This dedicated stage binds and removes both common arsenic forms, significantly reducing your exposure. It not only improves safety but also prevents the risk of chronic health problems related to arsenic ingestion. This specialized filtration is critical for homes drawing water from geologically affected wells where arsenic naturally leaches into the supply.

Nitrate-selective System: For wells near farms or septic fields, nitrate contamination is a real concern. Excess nitrates in drinking water can cause health issues, particularly in infants and pregnant women. This stage selectively targets and removes nitrate ions from your water, providing peace of mind and ensuring compliance with safe drinking water standards. It also helps avoid the unsightly cloudiness and taste problems nitrates sometimes cause.

Under-sink Reverse Osmosis Add-on (optional): This add-on offers bottled-quality drinking water right from your kitchen tap. Reverse osmosis technology removes remaining dissolved solids, chlorine, and residual contaminants that can affect taste and health. Installed under the sink, it is a convenient finishing touch for homeowners wanting the purest drinking water possible without the waste or cost of bottled alternatives. It integrates perfectly with the Pentek platform for seamless operation.

Why the install order matters

The sequence in which these treatment stages are installed is crucial for maximum performance and long-term system health. Correct installation follows the rule: Neutralizer first (to correct low pH), followed by Iron/Sulfur removal, then Softener, Disinfection/UV, and finally the Drinking Reverse Osmosis. In this package, the sediment pre-filter protects the pump upfront, then arsenic treatment comes before nitrate removal. The general principle is to address water chemistry and iron issues early so that softening and disinfection stages aren’t fouled or compromised. Proper order maximizes contaminant removal efficiency and prevents damage to downstream components.

Why one brand

Using Pentek-series control valves for every stage on a single matched platform means you’re buying consistency and reliability. Instead of juggling multiple brands with different parts and programming quirks, Pentek’s unified system shares the same valves, control logic, and parts inventory. This simplifies maintenance and troubleshooting — a single service call can handle the entire system. It also means less guesswork for installers and fewer compatibility headaches, delivering a smooth, dependable experience for you from day one.

What it does for your home

• Eliminates damaging well pump wear by filtering out sand and grit
• Removes toxic arsenic compounds to protect your family’s health
• Filters nitrate contamination typically found near farms and septic systems
• Prevents reddish stains and corrosion on fixtures and appliances
• Improves water taste and clarity for better drinking water
• Extends lifespan of water softeners and downstream filters
• Optional reverse osmosis delivers bottled-quality water directly from your tap

This matched Pentek package ensures your well water is not only safer but also more enjoyable and less damaging to your home’s plumbing.

Sized free to your well

Every well is unique. That’s why we size each stage of your Pentek Well Contaminant & Health System precisely to your well water test results. Simply send us a recent water analysis, and we will tailor the system components for optimal performance and longevity. We also include free shipping anywhere in the US, making this a convenient, worry-free upgrade to your household water quality.

Common questions

Q? How often do I need to replace the filters or media? Replacement frequency depends on your water quality and usage, but typically sediment pre-filters require inspection every few months. Arsenic and nitrate media last longer but should be checked annually to maintain peak performance. Routine maintenance helps keep your system working efficiently.

Q? Will this system remove iron and sulfur too? This package is primarily focused on arsenic and nitrate removal alongside sediment filtration. If your well has significant iron or sulfur issues, additional treatment stages such as iron or sulfur removal units may be needed and can be integrated following proper installation order guidelines.

Q? Can I install the reverse osmosis unit anywhere in my home? The under-sink RO add-on is designed specifically for kitchen sinks, providing the purest drinking water on demand. While it’s best suited there, other locations may be possible if plumbing connections allow. This add-on complements the main Pentek platform seamlessly for top-quality water.

See the Pentek Well Contaminant & Health System →