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Tap water quality in Sintra, Distrito de Lisboa? Is it safe to drink?
Overview
Sintra, located in the Distrito de Lisboa, Portugal, is known for its picturesque landscapes, cultural heritage, and beautiful architecture. Among its many attributes, water quality is a significant aspect that affects residents and visitors alike. The region endeavors to maintain high standards of water quality to ensure public health and environmental protection.
Water Quality Issues
- Source: The primary sources of water in Sintra are rivers, groundwater, and treatment plants. These sources dictate the initial quality and composition of the water supply.
- Testing: Regular testing for pollutants, such as nitrates, heavy metals, and microbial content, is crucial. Authorities conduct systematic testing to assess contamination levels and ensure that the water meets health standards.
- Standards: Water quality in Sintra adheres to the European Union's Drinking Water Directive. This regulation sets stringent parameters for chemical and microbial content, ensuring safe consumption for all.
- Water Hardness: The region often experiences hard water, caused by high concentrations of calcium and magnesium. While not harmful, hard water can lead to inconveniences such as limescale buildup in plumbing systems and household appliances.
- Concerns: Despite generally good water quality, concerns remain over seasonal pollution, pesticide runoff from agricultural activities, and occasional treatment plant malfunctions that could affect supply.
Encouragement to Use Water Filters/Softeners
Given the potential issues with hard water and occasional quality concerns, utilizing water filtration systems or water softeners is advisable. Filtered water helps remove impurities and improves taste and odor, offering peace of mind for daily consumption. For those dealing with hard water, water softeners can significantly reduce mineral buildup, thereby enhancing the longevity of plumbing installations and household appliances. Proactively using such devices not only ensures enhanced water quality but also contributes to sustainable water consumption practices in Sintra.
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Get Involved. Take Action
Contact Your Local Elected Official & Water Supply Company
One of the best ways for cleaner water is to talk to elected officials who have a say in water quality. Ask questions and demand actionable plans for healthier water.
Filter Out Contaminants
Check out different water filters to protect your water against the detected contaminants.
Which water purifier to get for Sintra, Distrito de Lisboa?
Types of filters | GAC & Carbon | Micro filter | Ultra filter | Nano filter | Reverse Osmosis filter |
Particle size filtered | > 10 Microns | 10 to 0.1 Microns | 0.1 to 0.01 Microns | 0.01 to 0.001 Microns | < 0.0001 Microns |
Common Suspended Compounds | |||||
Sediments | |||||
Pollen | |||||
Giardia Cysts | |||||
Bacteria, Algae | |||||
Yeast Cells | |||||
Asbestos fibers | |||||
Blue Indigo Dye | |||||
Cryptosporidium | |||||
MicroPlastics | Some | ||||
PFAs -polyfluoroalkyl substances | Some | ||||
Arsenic, Lead, Cadmium, Mercury | |||||
Haloacetic acids (HAA5/HAA9) | |||||
Total trihalomethanes (TTHMs) | |||||
Viruses | Some | ||||
Colloidal Silica | Some | ||||
Common Dissolved solids | |||||
1,1-Dichloroethane | |||||
Tetrachloroethylene (perchloroethylene) | |||||
Trichloroethylene | |||||
Pesticides and Herbicides | Some | Some | |||
Synthetic Dyes | |||||
Bromide | Some | Some | Some | Some | |
Bromochloromethane | Some | Some | Some | Some | |
Hardness | Some | ||||
Aqueous Salts | Some | ||||
Endocrine disruptors | Some | ||||
Nitrate & nitrite | Some | ||||
1,4-Dioxane | Some | ||||
Aluminum | Some | ||||
Barium | Some | ||||
Chromium (total) | Some | ||||
Fluoride | Some | ||||
Manganese | Some | ||||
Molybdenum | Some | ||||
Selenium | Some | ||||
Strontium | Some | ||||
Trichlorofluoromethane | Some | ||||
Uranium, combined (pCi/L) | Some | ||||
What do we do? How do we help?
We have developed the TDSBot, an inexpensive IOT device that monitors, in real time, the Incoming and Outgoing TDS levels, temperature, flow rate and cumulative volume of water filtered. Easy to install, it works with all water purifiers including, sediment, GAC, Carbon, Micro, Ultra, Nano and Reverse Osmosis water filters. Key benefits:
- Know the incoming and filtered water quality in real time.
- Know the volume of water filtered by day, week, month and total.
- Know in advance when to change filter cartridges. Too often we tend to realize that they need changing after the water purifier has stopped working or worse, when the water smells bad.
- Change filters only when needed. Sometimes filters perform longer than their standard life due to better incoming water or lower usage. Reduce waste and save money.
- Quality data collected is aggregated to show real time water quality data to all the community.
TDSBot can be installed on water purifiers from Pentair, Culligan, 3M, Brita, BWT, iSpring, and most other brands. Supports sediment, GAC, Micro, Ultra, Nano and Reverse osmosis filters. It can remotely monitor filters attached to Coffee machines, Ice makers, soda fountains, water dispensers, ovens, laundry & dish washing, car wash found at Cafes, convenient stores, healthcare facilities, hotels, offices, restaurants, colleges, schools, hydroponic systems, and many more.
There are no TDSBots in Sintra, Distrito de Lisboa that are sharing tap water quality. Be the first one to install one on your water purifier. We are giving $10 off. Apply coupon code - Sintra while checking out.
Ensure safe and healthy drinking water. Start sharing tape water quality in Sintra for the benefit of the community
Sustainability Impact Insights
TDSBot can generate a variety of sustainability data, including water usage metrics, identify areas of reducing water waste, leak detection and prevention, extend filter and equipment lifespan, predictive maintenance alerts to extend equipment life and reduce environmental impact.
Sustainability data can be easily showcased on your corporate website or publicly shared on your social media
929 299
Plastic Bottles Saved
7 694 Kg
CO2 Emissions Saved
USD 204 445
Bottled H2O/Maintenance Savings
21 544
Car Miles Avoided
769
Equivalent Trees Planted
464 649 L
Total Water Filtered
last update 03/16/2025
Learn About Water Quality
* A definition specific to a few codes is that “Safe drinking water” means water that meets all primary and secondary drinking water standards. Drinking water standards are set based on potential health impacts and also take into account the cost to meet the drinking water standard. Also, the U.S. Environmental Protection Agency (EPA) defines drinking water as safe when humans can drink it with low risk of immediate or long-term harm to your health. Although there may be health risks associated with certain contaminants found in drinking water not all contaminants are necessarily harmful.
** Based on the data collected from the TDSBots installed in Los Angeles, California
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