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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Ammonia Time Series for 2000
Boulder Creek above Dry Creek |
Preliminary Data - subject to revision
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 Indicates no data available |
 Indicates data exceeds plot scale. |
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Information on Ammonia:
Nitrogen
occurs in water in various forms, including nitrate (NO3), nitrite (NO2), and ammonia (NH3). Nitrate enters waterways from lawn fertilizer run-off, leaking septic tanks, animal wastes, industrial waste waters, sanitary landfills and discharges from car exhausts. The burning of fossil fuels releases NOX compounds into the air that fall as acid rain (HNO3). Nitrates in water can cause severe illness in infants and domestic animals. Ammonia is the decay product of animal proteins and is sometimes found in wastewater. Through the process of nitrification, ammonia in wastewater is oxidized to nitrite and then to nitrate by bacterial or chemical reactions. |
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More general information about Ammonia
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Interpretation of Boulder Creek Ammonia data
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Monitoring site information: |
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- Location: Boulder Creek above Dry Creek
- Name: BC-aDC
- Type: Composite
- Frequency: Monthly
- Longitude: 105 ° W 85'
- Latitude: 40 ° N 29'
- Elevation: 5060 feet asl
- Site photo
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| Downstream Site: Boulder Creek at 95th St |
| Upstream Site: Boulder Creek at 75th St |
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| Plot Label |
Date |
NH3
mg/L as N |
| 01 |
January, 2000 |
2.90 |
| 02 |
February, 2000 |
4.80 |
| 03 |
March, 2000 |
4.10 |
| 04 |
April, 2000 |
6.00 |
| 05 |
May, 2000 |
1.80 |
| 06 |
June, 2000 |
0.70 |
| 07 |
July, 2000 |
0.80 |
| 08 |
August, 2000 |
0.60 |
| 09 |
September, 2000 |
0.90 |
| 10 |
October, 2000 |
6.80 |
| 11 |
November, 2000 |
8.90 |
| 12 |
December, 2000 |
11.10 |
| *value below detection limit: |
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| Detection Limit (if available) |
0.1 |
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Preliminary Data - subject to revision
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Select on the parameter name to view all Ammonia time series plots on the basin map.
Select on the table date to view stream Ammonia profiles observed on that date.
Select here to view all parameters at this site.
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Thank You!
BASIN was a community project which benefitted from over 1000 hours of
public volunteer time. BASIN was highlighted by the US EPA
in a national case study in its 2001 handbook Delivering Timely Environmental Information to Your Community.
Thank you to all volunteers, and especially to the late Jim Waterman, BASIN Project Coordinator!
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