Search

Table Wq01: Selected Water Quality Data or the Meramec River Basin

Table Wq01: Selected Water Quality Data or the Meramec River Basin

At Lat. 38 27'46", Long 90 24'53", Paulina Hills, Jefferson County, Hydrologic Unit #07140102, Gage station #07019280 for water years 1964, 1973, 1983, 1994 (USGS 1995; MDNR 1994, Code of Regulations 10 CSR 20.7).
Parameter State Standard of Uses Water Year
I III VI VII 1964 1973 1983 1994
Water Temperature (oC) 32.2o Max1 28.9o Max2 1-29.0 0-28.5 0.5-31 1.5-29.5
Turbidity (mg/l) *Contaminants should cause turbidity difference from natural appearance. 5-460 -- -- --
Specific Conductance (us/cm) --- -- -- -- 225-485 212-430 260-418 283-471
O2, Dissolved (mg/l) 51,62 -- -- -- 4.9-15.3 6.0-10.7 5.2-14 6.8-14.2
pH *H2O contaminants should not cause pH fall out of 6.5-9.0 range. 7.9-8.6 7.6-8.3 7.8-8.3 7.5-8.4
Hardness, Total (mg/l CaCO3) -- -- -- -- 110-230 95-190 140-210 160-200
Calcium, Dissolved (mg/l as Ca) -- -- -- -- 26-46 22-40 31-43 36-43
Magnesium, Dissolved (mg/l as Mg) -- -- -- -- 12-27 9.7-21 15-27 18-23
Fluoride, Dissolved (mg/l as Fl) -- 4 -- 4 0-0.6 24-15 0-0.1 <0.1-0.2
Sulfate, Dissolved (mg/l as SO4) -- 250 -- -- 18-29 <0.1-0.3 18-25 17-23
Nitrogen, Total Ammonia (mg/l as NH4) -- -- -- -- -- 2.0-5.6 -- 2.4-4.4
Nitrate-N (mg/l N) -- 10 -- 10 -- 0.0-0.97 0.07-0.75 0.07-0.4
Phosphorus, Total P (mg/l as PO4) -- -- -- -- -- 0.27-0.04 <0.05-0.16 0.03-0.1
Coliform, Fecal (colonies/100 ml) -- -- 200 -- -- -- 22-440 9-510
Streptococci, fecal (colonies/100ml) -- -- -- -- -- -- -- 11-160
Dissolved solids (mg/l) 1000 200 -- 300 134-262 116-213 173-221 188-217
Iron Dissolved (mg/l FE) -- -- -- -- -- <10-230 <20-140 <3-21

I: Protection of aquatic life.

III: Drinking water supply.

VI: Whole-body-contact recreation.

VII: Groundwater

1For warm-water fisheries.

2For cold-water fisheries.

Key Messages: 

Conservation pays by enriching our economy and quality of life.

Content tagged with

Shortened URL
http://mdc.mo.gov/node/14845