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The sign outside the Las Vegas Valley Water District. The Las Vegas Valley Water District (LVVWD) is a not-for-profit government water supply agency that has been providing water to the Las Vegas Valley since 1954. The district helped build the area's water delivery system and now provides water to more than one million people in Southern Nevada.
The Southern Nevada Water Authority (SNWA) is a government agency that was founded in 1991 to manage Southern Nevada's water needs on a regional basis in Clark County. SNWA provides wholesale water treatment and delivery for the greater Las Vegas Valley and is responsible for acquiring and managing long-term water resources for Southern Nevada. [1]
The district was created by judicial decree in August 1954. Prior to that time, the treatment of sewage in unincorporated Clark County was by means of cesspools, septic tanks, and several small treatment plants operated by the hotels along the Las Vegas Strip. The continuing growth of both the tourist and residential portions of the community ...
For freshwater aquaria, gravel is the most common substrate. To prevent damage to fish, gravel should not be sharp. Aquarium gravel can be as coarse as pea-sized or as fine as 1–2 mm. [1] It is available in a number of colors, and may be naturally colored or dyed, and may have a polymer seal to ensure it does not affect water chemistry. [1]
The clay is laid down with a tool called a 'punner', or 'pun', a large rectangular block on a handle about 5 feet (1.5 m) long, or trodden down, or compacted by some other means (e.g. by an excavator using the convex outside of its scoop, or, historically, by driving cattle across the area).
In the wetlands, looking west. The Clark County Wetlands Park is the largest park in the Clark County, Nevada park system. The park is on the east side of the Las Vegas valley and runs from the various water treatment plants near the natural beginning of the Las Vegas Wash to where the wash flows under Lake Las Vegas and later into Lake Mead.
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Lightweight expanded clay aggregate (LECA) or expanded clay (exclay) is a lightweight aggregate made by heating clay to around 1,200 °C (2,190 °F) in a rotary kiln. The heating process causes gases trapped in the clay to expand, forming thousands of small bubbles and giving the material a porous structure.