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last update  8/1/2011        Edited by  Paul Raveling

History of the X-15 program
with local features for El Dorado Hills

and the Gold-Country Sierra Foothills

El Dorado Hills
Click for El Dorado Hills, California Forecast

Special extension to SierraFoot index page:  A rendition of the Wikipedia page for El Dorado Hills with appropriate edits.
The Wikipedia page is chronically protected, with edits prohibited, probably because of frequent and highly inappropriate updates in the nature of grafitti. This updated copy is appended to the SierraFoot home page to facilitated its pickup by web search applications such as Google.

 Air and Space ft14
  Subsection icon for X15 X15 Section X-15 -- Hypersonic History
Dash80 Section Dash-80 -- The first 707
BeeMustang Section Bee, Bird, and Mustang
Sacramento Bee, Local Birds, and Mustang Airport:
Are they really in conflict, or is the Bee batty?
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 Public Affairs
BOS redistricting icon Hot Issue:

Redistricting Alternatives for
El Dorado County Board of Supervisors
El Dorado Hills CDP and region El Dorado Hills, California  --  CA 95762
...What the Wikipedia page should show
and the copy of the same at the bottom of this web page
Directory icon Directory to local government & services for
El Dorado Hills
& El Dorado County
Wreck on Salmon Falls Road Traffic Safety
Conector logo, modified Capital Southeast Connector
... A project in need of a plan
Percet of total traffic for each Regional Analysis District Traffic:  El Dorado Hills has about...
10% of the County's road miles
25% of the County's population
42% of the traffic on County roads
44% of the traffic on the County's West Slope roads
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 Other sections...
Global warming Climate Change (Global Warming)
Owl on the prowl Waterford Wildlife:
The natural El Dorado Hills
UPS freighter, turning Jet Freighters, noise, & Mather:  Fact Checks
NASA transport overhead, thumbnail
Measured data gathered In 2003 by the Sacramento County Airport System and what it means.
Other new sections are being readied,
old sections are being reorganized and updated.
Most old sections can be reached through the links below until they are migrated from SierraFoot's old web interface to the new one.

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Everything else
Global warming Global warming, a top level summary of science: 3 questions, 5 graphics, and links to sources

Greenland ice sheet: Global warming, local climate, and why warmer temperatures can increase arctic winter snowfall

Scientific evidence for anthropogenic causes: Results from surveying scientific literature cited by the first 100 results returned by a Google Scholar search.
Owl on the prowl Waterford Wildlife
Soapbox icon
Civics -- Fact Finding on public policy issues

Causes of the Mortgage Meltdown & Great Recession:  Not CRA
Congressman Tom McClintock versus reality on Cap & Trade Policies

Laguna Seca turn 8, entering the Corkscrew Laguna Seca open track days

Archive: Waterford political insanity
End result: The recall prevailed,  due to the campaign wrongfully asserting board culpability for a very large set of fauls which variously either do not exist or were caused by the recallers themselves. A contributing factor was the usual low response from homeowners other than the organized faction. In this writer's opinion, this is a pathetic reflection on public affairs, where now even at the neighborhood level arbitrary political belief has replaced reality and reason.

To any Waterford residents considering suing the Owners Association:
Please be aware that I am placing on record with the Association documents on the factual history of the roofing fiasco. The Board is now under control of the faction which has a very §large record of making false claims and which for years has advocated violation of the California Civil Code §1354 requirement that CC&Rs are unenforceable if unreasonable. Anyone concerned should be aware of the facts and should have access to them, especially in the event of litigation. In my opinion the recall has made litigation much more likely to occur.  Anyone with questions is welcome to contact me by email.
Waterford home at first frost HOA roofing dispute:
Issues of Reality and Reason

"Roofers" versus the Lake Forest-Waterford Owners Association

Scowl Waterford Roofing Rebellion

A compelling need for Reality and Reason
No Recall Waterford Recall Election
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El Dorado Hills, California -- CA 95762

This is a copy of the page serving the same purpose as the Wikipedia description of El Dorado Hills.
Unfortunately the Wikipedia page is in a poor state of maintenance and editing access to it is blocked.

El Dorado Hills is the largest city in El Dorado County, California, but is still unincorporated. It is registered legally as a census-designated place (CDP) with a total population of 42,108 in the 2010 Census.  El Dorado Hills (EDH) is located in El Dorado County 22 miles (35 km) east of California's State Capitol, Sacramento. The combination of El Dorado Hills and the adjacent community of Cameron Park had a total population of 60,336 in 2010, 1/3 of the total population of El Dorado County.

El Dorado Hills residents and businesses are most closely affiliated with El Dorado County, a generally rural area. However, El Dorado County is part of the Sacramento Metropolitan Area. EDH and has strong ties in commerce to the City of Folsom, in Sacramento County.  El Dorado Hills is recognized nationally for its high median household income, ranking 77th in CNN Money Magazine's best places to live in 2007[3]. Census Bureau estimates for 2007 placed EDH as nearly tied nationally for having the second highest median household income among cities and Census Designated Places with population greater than 40,000.


—  census-designated place  —
El Dorado County, showing EDH in red
Location in El Dorado County and the state of California
Coordinates: 38°41′09″N 121°04′56″WCoordinates: 38°41′09″N 121°04′56″W
Country Flag of the United States United States
State Flag of California California
County Seal of El Dorado CountyEl Dorado
 - Total 48.606 sq mi (125.888 km2)
 - Land 48.454 sq mi (125.494 km2)
 - Water 0.152 sq mi (0.394 km2)  0.31%
Designated Elevation 764 ft (233 m)
-  Terrain elevation range 440 ft (134 m) to 1,463 ft (446 m)
Population (2010)
 - Total 42,108
 - Density 866.3/sq mi (334.5/km2)
Time zone Pacific (PST) (UTC-8)
 - Summer (DST) PDT (UTC-7)
ZIP code 95762
Area code(s) 916, 530
FIPS code 06-21880
GNIS feature ID 1867020

Geography and environment

El Dorado Hills and surrounding region

El Dorado Hills (EDH), as defined by the 2010 Census Designated Place, is at the western border of El Dorado County, between the City of Folsom and the unincorporated community of Cameron Park. The northern limits of the CDP are Folsom and the South Fork of the American River, where river rafters use Skunk Hollow and Salmon Falls as takeout landings. West of Latrobe Road, the south edge of the CDP follows railroad tracks formerly used by the Southern Pacific between the cities of Folsom and Placerville. East of Latrobe Road the south edge follows topography running roughly east/west.

The 2010 CDP has a land area at least double the size of the 2000 CDP, which included 17.9 square miles (46.4kmē). Updated data from the 2010 Census was not yet available at the time of the latest edit of this page.

US 50 is the major east-west highway running through El Dorado Hills. The portion of EDH north of US 50 is mainly residential. The portion south of US 50 includes the 885-acre El Dorado Hills Business Park and the Town Center Commercial area, as well as additional housing. The greatest extent of planned future development, both residential and business, is south of US 50. Significant residential buildout remains to be completed in two large developments north of US 50.

The overall character of El Dorado Hills is that of a somewhat upscale community. Demographic data from the 2000 Census showed that if El Dorado Hills had been an incorporated city its average household income would have tied Danville, California for being second highest in the nation among cities with a population ofat least 40,000.


El Dorado Hills was preceded in history by the Sierra Nevada Goldfields of the California Gold Rush and the small historic town of Clarksville (circa 1855 to 1934).  The center of modern El Dorado Hills lies about 13 miles from the 1848 gold discovery site in Coloma and about 20 miles from the northeast end of the Mother Lode in the Georgetown area.  Gold was washed downstream by the south fork of the American River, into the areas of modern El Dorado Hills and Folsom. Portions of two Pony Express routes from 1860-1861 in this area survive as roads in modern El Dorado Hills. From a later time, part of El Dorado Hills includes the longest surviving section of the Lincoln Highway still in existence. This part of its Pioneer Branch, the predecessor of the modern US 50 route.

Modern history of El Dorado Hills dates from its origin in the early 1960s when original developer Alan Lindsey began its development as a master planned community. The original master plan, prepared by architect Victor Gruen, covered the area generally north of U.S. Highway 50, and part of the area south of US 50 now considered to be part of the community. El Dorado Hills was envisioned as a large-scale master-planned community that would be completely planned from its inception as a group of residential "villages". Other land uses in the master plan included a business park, two 18-hole golf courses, community parks, schools, a community shopping center, and small commercial centers in each village. The master plan emphasized open space between villages and opportunity for outdoor recreation.

Between the late 1960s and mid-1990s growth occurred at a moderate pace as new families relocated, especially from Sacramento, Southern California and the Bay Area. At first this growth was almost entirely residential housing. The original villages of El Dorado Hills include Park, Ridgeview, Saint Andrews, Crown, Governors, Stonegate, Marina, Lake Hills Estates, and a number of smaller villages. Development mainly in the 1980s and 1990s created numerous additional villages, most as Common Interest Developments. As of July 9, 2011, the El Dorado Hills Community Services District had recorded web-accessible copies of 105 village-specific CC&R documents.

By the 1990 census, El Dorado Hills had an estimated population of 6,395 residents.[4] Growth slowed during the early part of the '90s due to an economic recession throughout California, but resumed as the recession eased. The 2000 Census reported 18,016 residents, tripled from 1990. Population growth accelerated in the early 2000's, especially through construction in the Serrano development. Construction rates peaked in 2003, eroded slightly in 2004 and 2005, then crashed in 2006 and 2007, reaching near-zero in the "Great Recession". Nevertheless, growth in the housing-boom years produced a population of 42,108 in the 2010 Census, more than double the 2000 population.

Commercial/retail growth proceeded slowly in the 1990s, then accelerated in the first decade of the 21st Century with development of Town Center. Some of the earliest significant businesses in Town Center are Mercedes-Benz of El Dorado Hills, Target, Regal Cinemas El Dorado Hills Stadium 14 and IMAX, Nugget Market, and Holiday Inn Express. Business development proceeded mainly in the El Dorado Hills Business Park and in an adjacent major office facility built and occupied by Blue Shield. The largest of the early Business Park firms was DST Output, whose automated billing and mailing operations at times made it the busiest post office in the United States.


Businesses began to set up operations in the El Dorado Hills Business Park south of Highway 50.[5] Many of these were in business sectors involving new and emerging technologies. In 1995, the Parker Development Company acquired 3,500 acres (14 km2) along the eastern boundary of El Dorado Hills to create Serrano, one of the largest master planned communities in Northern California. Serrano was the site of an innovative case of recycled water irrigation on a large scale.

Efforts to incorporate El Dorado Hills as a city began in 1996. The first incorporation process failed due to difficutly in funding the project for the LAFCO incorporation process. (LAFCO is the County's Local Agency Formation Committee). The second incorporation process reached a vote as Measure P in November, 2005. It was defeated by a margin of 56.3% to 43.6% following a short and contentious campaign, in which anti-incorporation advocates outspent incorporation advocates by 3 to 1. FPPC filings showed that about 98% of campaign funding to defeat incorporation came from special interests supporting development.



The 2010 United States Census reported that El Dorado Hills had a population of 42,108. The racial/ethnic makeup of El Dorado Hills was:

        35,089  83.3% White
3,802 9.0% Hispanic or Latino of any race
3,563 8.5% Asian
1,893 4.5% Two or more races
681 1.6% Other races
615 1.5% African American
196 0.5% Native American
71 0.2% Pacific Islander

Additional detailed data from the 2010 Census does not appear to be available yet at the date of the most recent update to this web page.

According to 2007 Census Bureau estimates, the median income for a household in the El Dorado Hills CDP was $113,927, and the median income for a family was $125,230.[8] Males had a median income of $75,369 versus $45,978 for females. The per capita income for the CDP was $40,239. 1.7% of the population and 1.5% of families were below the poverty line. Out of the total population, 1.5% of those under the age of 18 and 2.2% of those 65 and older were living below the poverty line.

El Dorado Hills is among the highest income communities of its size range in the nation, though this is seldom noted because of its unincorporated status. El Dorado Hills would rank 3rd highest by median household income in a list of places with population greater than 40,000, following only Potomac, Maryland and  Danville, California.


In the state legislature El Dorado Hills is located in the 1st Senate District, represented by Republican Ted Gaines, and in the 10th Assembly District, represented by Democrat Alyson Huber, whose home is in El Dorado Hills. Federally, El Dorado Hills is located in California's 4th congressional district, which has a Cook PVI of R +10[9] and is represented by Republican Tom McClintock.

As an unincorporated area the local government of El Dorado Hills is that of El Dorado County. Three supervisorial districts include parts of El Dorado Hills. District 1 is represented by John Knight, District 2 by Ray Nutting, and District 4 by Ron Briggs. As of July, 2011, the Board of Supervisors have adopted a redistricting map which will dedicate District 1 entirely to El Dorado Hills and which will distribute the remaining approximately 6,000 residents of El Dorado Hills between Districts 2 and 4. This redistricting plan is a current source of controversy in El Dorado Hills: It represents a reduction in representation on the Board of Supervisors without recourse to representation in a city government.

A number of services are provided by a variety of local agencies which are not part of County government. These include the El Dorado Hills Community Services District (CSD), the Rolling Hills Community Services District (CSD), the Marble Mountain Community Services District, the El Dorado Hills County Water District (fire department)[6], and the El Dorado Irrigation District [7].

Public schools

El Dorado Hills has one high school, two middle schools, and six elementary schools in the Rescue Union and Buckeye Union school districts. Groundbreaking for construction of a seventh elementary school occurred in June, 2011.

El Dorado Hills schools have a longstanding record of high achievement. In many recent years at least one EDH school has ranked among the top 10 schools statewide by its Academic Performance Index (API) score.  Results tabulated below for 2010 are excerpted from a table published by the California Department of Education, Assessment and Accountability Division. The statewide performance target was an API score of at least 800. Reported rankings in the table range up to 10, with 10 representing the top 10% of all schools of the same type in California. The Similar Schools Rank is based on comparison of 100 schools recognized as similar by 13 measures of demographic characteristics.

Oak Ridge High School 1,628 869 10 4
Marina Village Middle School 731 906 10 4
Rolling Hills Middle School 941 897 10 5
Lake Forest Elementary School 383 930 10 5
Jackson Elementary School 316 924 10 4
Lakeview Elementary School 378 897 9 1
Silva Valley Elementary School 449 923 10 6
Oak Meadow Elementary School 510 933 10 7
William Brooks Elementary School 330 904 9 5


El Dorado Hills is home to Oak Ridge High School, historically known for its prestigious athletic program.

Trojan Football won the D-II California State Championship in both 2003 and 2004, led by two outstanding athletes: Austin Collie and Seyi Ajirotutu. Collie currently plays and starts for the Indianapolis Colts, and Ajirotutu plays for the San Diego Chargers. After several tough seasons, the Trojans won back-to-back league championships in the Sierra Valley Conference both in 2008 and an undefeated run in 2009, led by quarterback Connor Benander.

Oak Ridge Wrestling Team has had much success to receive two SJS DII Section Championships in 2008 and 2009. That claim may be disputable as the Sac Joaquin Section website displays Ponderosa High School as Section Champions in 2009. Leading the way was Oak Ridge Wrestling's most accomplished wrestler Kyle West. West is a 2X High School All American. West Placed 3rd in the Nation as a Junior and 5th in the Nation as a Freshman. West was Greco State Champion in 2006. West also placed in California State 2nd as a Junior and 4th as a Sophomore and ended his Senior year with injury. Then went on to Wrestle in D1 College UC Davis, which ended its wrestling program in 2010. West now wrestles for Utah Valley College.

Oak Ridge Basketball has had the most recent success as the Lady Trojans shocked the nation by running the table in 2010 with numerous upsets, until finally defeating 3-time defending CIF champion, Long Beach Poly in the D-I California State Championship, led by Stanford-bound Sara James. The boys won the D-II California State Championship in 2005 by upsetting Southern California powerhouse, Mater Dei, 60-44, led by current Orlando Magic player, Ryan Anderson.

Oak Ridge has a successful Track & Field program producing, among others, Alexandra Kosinski, a standout middle distance runner who set a National High School 1600m record in 2007.

Notable residents


This set of References in the web page for El Dorado Hills is a minimally edited copy of the References and Bibliography sections in the Wikipedia web page. This will be updated, the target date for those changes is August 15, 2011.

A separate pre-existing web page on is a Directory to Local Government & Services for El Dorado Hills and El Dorado County.
  1. ^ U.S. Census
  2. ^ United States Census Bureau, "Metropolitan and Micropolitan Statistical Areas".
  3. ^ CNN Money Magazine Online, "Best Places to Live in 2007",
  4. ^ United States Census 1990, US Gazetteer,
  5. ^ Sacramento Business Journal, "More Companies Leave Silicon Valley for EDH" September 7, 2001.
  6. ^ "2010 Census P.L. 94-171 Summary File Data". United States Census Bureau.
  7. ^ a b "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
  8. ^
  9. The Cook Political Report, Partisan Voting Index for Districts of the 111th Congress

External links

Also see Directory to Local Government & Services for El Dorado Hills and El Dorado County