Appendix: Water

 

W01.1 – Meet sediment thresholds
Water delivered to the project for human consumption, handwashing and showers/baths meets the following threshold:

1. Turbidity less than or equal to 1.0 NTU.

 

W01.2 – Meet microorganisms thresholds
Water delievered to the project for human consumption, handwashing and showers/baths meets the following requirements:

1. Contains 0 CFU / 100 mL total coliforms (including E. coli).

 

W01.3 – Monitor fundamental water parameters
One of the following requirements is met:

1. The water contaminants listed in this feature are monitored at intervals of no less than once per year and results are submitted annually through WELL Online. The number and location of sampling points for on-going monitoring complies with the requirements outlined in the Performance Verification Guidebook.
2. The threshold levels of the water contaminants listed in this feature, as reported in a local municipal water quality report, are submitted annually through WELL Online.
3. Project achieves at least one point in Feature W05: Water Quality Consistency.

 

W02.1 – Meet dissolved metal thresholds
Water delivered to the project for human consumption meets the following thresholds:

1. Lead less than 0.01 mg/L.
2. Arsenic less than 0.01 mg/L.
3. Antimony less than 0.006 mg/L.
4. Mercury less than 0.002 mg/L.
5. Nickel less than 0.07 mg/L.
6. Copper less than 1.0 mg/L.
7. Cadmium less than 0.005 mg/L.
8. Chromium (total) less than 0.1 mg/L.

 

W02.2 – Meet organic pollutant thresholds
Water delievered to the project for human consumption meets the following thresholds:

1. Styrene less than 0.02 mg/L.
2. Benzene less than 0.005 mg/L.
3. Ethylbenzene less than 0.3 mg/L.
4. Vinyl chloride less than 0.002 mg/L.
5. Toluene less than 0.7 mg/L.
6. Xylenes (total: m, p and o) less than 0.5 mg/L.
7. Tetrachloroethylene less than 0.005 mg/L.

 

W02.3 – Meet disinfectant byproducts thresholds
Water delievered to the project for human consumption meets the following thresholds:

1. Total trihalomethanes (sum of dibromochloromethane, bromodichloromethane, chloroform and bromoform) less than 0.08 mg/L.
2. Total haloacetic acids (sum of chloroacetic, dichloroacetic, trichloroacetic, bromoacetic and dibromoacetic acids) less than 0.06 mg/L.

 

W02.4 – Meet herbicide and pesticide thresholds
Water delivered to the project for human consumption meets the following thresholds:

1. Atrazine less then 0.003 mg/L.
2. Simazine less than 0.002 mg/L.
3. 2.4-Dichlorophenoxyacetic acid less than 0.07 mg/L.

 

W02.5 – Meet fertilizer thresholds
Water delivered to the project for human consumption meets the following threshold:

1. Nitrate less than 0.50 mg/L (11 mg/L as nitrogen).

 

W02.6 – Meet public water additive thresholds
Water delivered to the project for human consumption meets the following thresholds:

1. Fluoride less than 4 mg/L.
2. Total chlorine less than 4 mg/L.
3. Chloramine less than 4 mg/L.

 

W02.7 – Monitor water containment parameters
One of the following is met:

1. The water contaminants listed in this feature are monitored at intervals of no less than once per year and results are submitted annually through WELL Online. The number and location of sampling points complies with the requirements outlined in the Performance Verification Guidebook.
2. The levels of the water contaminants listed in this feature, as reported in a local municipal water quality report, are submitted annually through WELL Online.
3. Project achieves at least one point in Feature W05: Water Quality Consistency.

 

W03.1 – Implement legionella management plan
A Legionella management plan is implemented and contains the following:

1. Formation of a team for Legionella management in the building.
2. Water system inventory and production of process flow diagrams.
3. Hazard analysis of water assets.
4. Identification of control points and measures.
5. Monitoring actions to ensure control measures are within performance limits and determining corrective actions.
6. Verification and validation procedures.
7. Documentation of the plan and its implementation.

 

W04.1 – Meet drinking water taste properties
Water delivered to the project for human consumption meets the following thresholds:

1. Aluminum less than or equal to 0.2 mg/L.
2. Chloride less than 250 mg/L.
3. Fluoride less than 2 mg/L.
4. Manganese less than 0.05 mg/L.
5. Sodium less than 270 mg/L.
6. Sulfate less than 250 mg/L.
7. Iron less than 0.3 mg/L.
8. Zinc less than 5 mg/L.
9. Total Dissolved Solids less than 500 mg/L.

 

W05.1 – Test and display water quality
The following requirements are met:

1. All water delivered to the project for human consumption is tested quarterly (with results submitted annually through WELL Online) for the below:
   1. Lead.
   2. Copper.
   3. Turbidity.
   4. Coliforms.
2. Most recent water quality results are made available to occupants through one of the below:
   1. Visual displays prominently located near sources of drinking water.
   2. Hosting the required data on a website accessible to occupants. Visible signs should be positioned near sources of drinking water indicating the website where the data may be accessed.

 

W05.2 – Filter drinking water
Treatmet Devices:
All water from drinking water dispensers is treated within the building with the following:

1. A filter designed to remove suspended solids with pore size 1.5 µm or less.
2. A UV disinfection system rated by NSF/ANSI Standard 55 (Class A or B) or a device rated by NSF/ANSI Standard Standard 53 or 58 for cyst removal or reduction.
3. A device rated by NSF/ANSI Standard 53 or 58 for copper or lead reduction.

Device Maintenance:
The following requirement is met:

1. Projects submit annually through WELL Online evidence that water treatment devices have been properly maintained as per the manufacturer's recommendation.

 

W06.1 – Ensure drinking water access
The following requirements are met:

1. At least one drinking water dispenser (minimum one per floor) is located within 100 ft walk distance of all regularly occupied floor area and in all dining areas.
2. All newly installed drinking water fountains are designed for water bottle-refilling.
3. The mouthpieces/outlets, protective guards and basins of drinking water fountains and dispensers are cleaned on a daily basis.

 

W07.1 – Manage exterior liquid water
The following requirements are met:

1. A continuous drainage plane (e.g., a weather-resistant barrier integrated with flashing systems at penetrations) is constructed interior to the exterior cladding.
2. To prevent the wicking of porous building materials, one of the below capillary break methods is used:
   1. Free-draining spaces (e.g., between exterior cladding, weather-resistant barriers in wall assemblies).
   2. Non-porous materials (e.g., closed-cell foams, waterproofing membranes, metal) between porous materials.

 

W07.2 – Isolate moisture-sensitive materials
Moisture-resistant materials have been selected and/or moisture-sensitive materials are being protected, considering the following:

1. Porous cladding materials
2. Finished floors and interior sheathing in basements, bathrooms, kitchens and high-humidity spaces.
3. Exterior glazing and entrances to the building from its surroundings.

 

W07.3 – Manage interior liquid water
To prevent leaks and water damage, one of the following is installed:

1. Readily accessible, single-throw manual shut-off (governed or activated per use) or automatic shut-off at point-of-connection for all hard-piped fixtures (such as toilets, dishwashers, icemakers and clothes washers).
2. Building-wide plumbing leak detection system.

 

W08.1 – Provide adequate sink
Bathroom and kitchen sinks meet the following requirements:

1. The sink column of water is at least 10 inches in length (measured along flow of water, even if at an angle).
2. The sink column of wtaer is at least 3 inches away from the edge of the sink.
3. The sink basin is at least 9 inches in width and length.

 

W08.2 – Provide handwashing support
At all sink locations, the following are provided:

1. Fragrance-free hand soap placed in dispensers with disposable and sealed soap cartridges.
2. Paper towels for hand drying.

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